Rotate Rings Level 90 walkthrough
The game has different level schedules, so the board for the same level number may differ. Choose the thumbnail that matches your game.
Ring numbers
16 rings, 8 blocking pins, 17 slide bars, 17 clamps
12345678910111213141516
Default A · Numbers identify the rings on the diagram; they do not specify an operation order.
Choose a matching board
Filters examine every variant; choose a thumbnail to compare a matching board.
Board · A / G

16 rings, 8 blocking pins, 17 slide bars, 17 clamps
Ring numbers
12345678910111213141516
Numbers identify the rings on the diagram; they do not specify an operation order.
Diagram legend
Numbers identify individual rings; S labels bars, C labels clamps, and B marks a bomb. Match the colored rings, pins, slide bars and clamps to your board.
Rings: 16 · Blocking pins: 8 · Stop pins: 0 · Slide bars: 17 · Clamps: 17 · Bombs: 0
Step-by-step walkthrough
The complete route is still being worked out. Only the opening moves below passed the current checks; they do not establish a full solution. This candidate assumes a clamp opens when its paired bar leaves; confirm this behavior in the game.
Rotate Ring 16 clockwise about 150°. Target opening direction: 300° (right 0°, up 90°). Release and wait. Expected departure: Ring 16, Ring 3. Expected remainder: 14 rings, 17 bars.
Rotate Ring 14 clockwise about 34°. Target opening direction: 1° (right 0°, up 90°). Release and wait. Expected departure: Ring 14, Ring 12. Expected remainder: 12 rings, 17 bars.
Rotate Ring 6 counterclockwise about 35°. Target opening direction: 250° (right 0°, up 90°). Release and wait. Expected departure: Ring 8, Ring 6. Expected remainder: 10 rings, 17 bars.
Rotate Ring 13 clockwise about 35°. Target opening direction: 290° (right 0°, up 90°). Release and wait. Expected departure: Ring 13, Ring 11. Expected remainder: 8 rings, 17 bars.
Rotate Ring 10 clockwise about 150°. Target opening direction: 120° (right 0°, up 90°). Release and wait. Expected departure: Ring 10, Ring 15. Expected remainder: 6 rings, 17 bars.
Rotate Ring 7 clockwise about 35°. Target opening direction: 110° (right 0°, up 90°). Release and wait. Expected departure: Ring 9, Ring 7. Expected remainder: 4 rings, 17 bars.
Move S1 right along its track about 9.71 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S1. Expected remainder: 4 rings, 16 bars.
Read this board before making a move
- Ring
- An open ring can rotate. Align its opening with the connecting pin to release that connection. Rings fly away automatically once their connections and constraints are released.
- Blocking pin
- A fixed pin sitting on a ring's edge. It holds another ring in place, so its gap has to face this pin.Read the mechanism guide →
- Latch
- Holds a ring in place. A stick locks it, so release the stick first and then turn the matching ring.Read the mechanism guide →
- Stick
- Slide bar. Move it sideways to release the latch it is tied to.Read the mechanism guide →
- Closed ring
- A closed ring has no opening. Release its blocking connections using the surrounding objects; the ring flies away automatically when it is free.Read the mechanism guide →
Ring positions and connections
Positions refer to the diagram. Connections describe what to inspect, not an additional removal order.
| Ring | Position | Type |
|---|---|---|
| 1 | Lower left | Open |
| 2 | Lower left | Open |
| 3 | Middle left | Closed |
| 4 | Lower left | Open |
| 5 | Lower left | Open |
| 6 | Center | Open |
| 7 | Upper center | Open |
| 8 | Center | Open |
| 9 | Upper center | Open |
| 10 | Lower center | Open |
| 11 | Middle right | Open |
| 12 | Upper right | Open |
| 13 | Middle right | Open |
| 14 | Upper right | Open |
| 15 | Lower center | Closed |
| 16 | Middle left | Open |
- Ring 3 is connected to a blocking relationship with ring 16. Check this pair on the diagram.
- Ring 15 is connected to a blocking relationship with ring 10. Check this pair on the diagram.
- Ring 5 is connected to a blocking relationship with ring 4. Check this pair on the diagram.
- Ring 2 is connected to a blocking relationship with ring 1. Check this pair on the diagram.
- Ring 9 is connected to a blocking relationship with ring 7. Check this pair on the diagram.
- Ring 12 is connected to a blocking relationship with ring 14. Check this pair on the diagram.
- Ring 8 is connected to a blocking relationship with ring 6. Check this pair on the diagram.
- Ring 11 is connected to a blocking relationship with ring 13. Check this pair on the diagram.
Board · B / C / D

17 rings, 11 blocking pins, 13 slide bars, 10 clamps
Ring numbers
1234567891011121314151617
Numbers identify the rings on the diagram; they do not specify an operation order.
Diagram legend
Numbers identify individual rings; S labels bars, C labels clamps, and B marks a bomb. Match the colored rings, pins, slide bars and clamps to your board.
Rings: 17 · Blocking pins: 11 · Stop pins: 0 · Slide bars: 13 · Clamps: 10 · Bombs: 0
Step-by-step walkthrough
Candidate walkthrough; gameplay confirmation is pending. Release after each move and wait for the expected departures. Stop and report the first mismatch. This candidate assumes a clamp opens when its paired bar leaves; confirm this behavior in the game.
Rotate Ring 5 clockwise about 51°. Target opening direction: 4° (right 0°, up 90°). Release and wait. Expected departure: Ring 6, Ring 5. Expected remainder: 15 rings, 13 bars.
Rotate Ring 15 counterclockwise about 48°. Target opening direction: 198° (right 0°, up 90°). Release and wait. Expected departure: Ring 15, Ring 16. Expected remainder: 13 rings, 13 bars.
Rotate Ring 12 counterclockwise about 48°. Target opening direction: 273° (right 0°, up 90°). Release and wait. Expected departure: Ring 12, Ring 13. Expected remainder: 11 rings, 13 bars.
Rotate Ring 2 clockwise about 36°. Target opening direction: 137° (right 0°, up 90°). Release and wait. Expected departure: Ring 2, Ring 1. Expected remainder: 9 rings, 13 bars.
Rotate Ring 8 counterclockwise about 57°. Target opening direction: 338° (right 0°, up 90°). Release and wait. Expected departure: Ring 8, Ring 9. Expected remainder: 7 rings, 13 bars.
Rotate Ring 4 counterclockwise about 48°. Target opening direction: 18° (right 0°, up 90°). Release and wait. Expected departure: Ring 4, Ring 3. Expected remainder: 5 rings, 13 bars.
Move S12 right along its track about 1.14 ring radii. Release and wait. Expected departure: Ring 7. Expected remainder: 4 rings, 13 bars.
Rotate Ring 10 clockwise about 31°. Target opening direction: 44° (right 0°, up 90°). Release and wait. Expected departure: Ring 10. Expected remainder: 3 rings, 13 bars.
Move S13 left along its track about 1.00 ring radii. Release and wait. Expected departure: Ring 17. Expected remainder: 2 rings, 13 bars.
Move S13 left along its track about 0.71 ring radii. Release and wait. Expected departure: Ring 14. Expected remainder: 1 rings, 13 bars.
Move S10 right along its track about 4.71 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S10. Expected remainder: 1 rings, 12 bars.
Move S11 right along its track about 10.00 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S11. Expected remainder: 1 rings, 11 bars.
Move S12 left along its track about 8.57 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S12. Expected remainder: 1 rings, 10 bars.
Move S13 left along its track about 11.29 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S13. Expected remainder: 1 rings, 9 bars.
Move S2 right along its track about 5.57 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S2. Expected remainder: 1 rings, 8 bars.
Move S3 right along its track about 5.57 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S3. Expected remainder: 1 rings, 7 bars.
Move S4 up along its track about 5.14 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S4. Expected remainder: 1 rings, 6 bars.
Move S5 left along its track about 7.14 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S5. Expected remainder: 1 rings, 5 bars.
Move S6 left along its track about 7.29 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S6. Expected remainder: 1 rings, 4 bars.
Move S7 left along its track about 6.00 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S7. Expected remainder: 1 rings, 3 bars.
Move S8 left along its track about 6.43 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S8. Expected remainder: 1 rings, 2 bars.
Move S9 left along its track about 10.86 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S9. Expected remainder: 1 rings, 1 bars.
Rotate Ring 11 clockwise about 26°. This closed ring turns together with its pins. Release and wait. Expected departure: Ring 11. Expected remainder: 0 rings, 1 bars.
Move S1 right along its track about 10.14 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S1. Expected remainder: 0 rings, 0 bars.
Read this board before making a move
- Ring
- An open ring can rotate. Align its opening with the connecting pin to release that connection. Rings fly away automatically once their connections and constraints are released.
- Blocking pin
- A fixed pin sitting on a ring's edge. It holds another ring in place, so its gap has to face this pin.Read the mechanism guide →
- Latch
- Holds a ring in place. A stick locks it, so release the stick first and then turn the matching ring.Read the mechanism guide →
- Stick
- Slide bar. Move it sideways to release the latch it is tied to.Read the mechanism guide →
- Closed ring
- A closed ring has no opening. Release its blocking connections using the surrounding objects; the ring flies away automatically when it is free.Read the mechanism guide →
Ring positions and connections
Positions refer to the diagram. Connections describe what to inspect, not an additional removal order.
| Ring | Position | Type |
|---|---|---|
| 1 | Center | Open |
| 2 | Center | Open |
| 3 | Upper center | Open |
| 4 | Upper center | Open |
| 5 | Center | Open |
| 6 | Center | Open |
| 7 | Center | Open |
| 8 | Upper right | Open |
| 9 | Upper right | Open |
| 10 | Middle right | Open |
| 11 | Middle right | Closed |
| 12 | Upper right | Open |
| 13 | Upper right | Open |
| 14 | Middle right | Open |
| 15 | Middle right | Open |
| 16 | Middle right | Open |
| 17 | Middle right | Open |
- Ring 12 is connected to a blocking relationship with ring 13. Check this pair on the diagram.
- Ring 1 is connected to a blocking relationship with ring 2. Check this pair on the diagram.
- Ring 8 is connected to a blocking relationship with ring 9. Check this pair on the diagram.
- Ring 4 is connected to a blocking relationship with ring 3. Check this pair on the diagram.
- Ring 6 is connected to a blocking relationship with ring 5. Check this pair on the diagram.
- Ring 15 is connected to a blocking relationship with ring 16. Check this pair on the diagram.
Board · E

8 rings, 6 blocking pins, 13 slide bars, 10 clamps
Ring numbers
12345678
Numbers identify the rings on the diagram; they do not specify an operation order.
Diagram legend
Numbers identify individual rings; S labels bars, C labels clamps, and B marks a bomb. Match the colored rings, pins, slide bars and clamps to your board.
Rings: 8 · Blocking pins: 6 · Stop pins: 0 · Slide bars: 13 · Clamps: 10 · Bombs: 0
Step-by-step walkthrough
The complete route is still being worked out. Only the opening moves below passed the current checks; they do not establish a full solution. This candidate assumes a clamp opens when its paired bar leaves; confirm this behavior in the game.
Rotate Ring 3 clockwise about 35°. Target opening direction: 55° (right 0°, up 90°). Release and wait. Expected departure: Ring 2, Ring 3. Expected remainder: 6 rings, 13 bars.
Rotate Ring 8 clockwise about 16°. Target opening direction: 8° (right 0°, up 90°). Release and wait. Expected departure: Ring 8, Ring 7. Expected remainder: 4 rings, 13 bars.
Rotate Ring 6 clockwise about 22°. Target opening direction: 68° (right 0°, up 90°). Release and wait. Expected departure: Ring 6, Ring 5. Expected remainder: 2 rings, 13 bars.
Move S10 right along its track about 4.86 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S10. Expected remainder: 2 rings, 12 bars.
Move S11 right along its track about 7.71 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S11. Expected remainder: 2 rings, 11 bars.
Move S12 left along its track about 8.14 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S12. Expected remainder: 2 rings, 10 bars.
Rotate Ring 4 counterclockwise about 7°. Target opening direction: 277° (right 0°, up 90°). Release and wait. Expected departure: Ring 4. Expected remainder: 1 rings, 10 bars.
Move S6 right along its track about 9.29 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S6. Expected remainder: 1 rings, 9 bars.
Move S3 left along its track about 12.57 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S3. Expected remainder: 1 rings, 8 bars.
Move S8 right along its track about 12.86 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S8. Expected remainder: 1 rings, 7 bars.
Move S5 right along its track about 5.14 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S5. Expected remainder: 1 rings, 6 bars.
Move S7 left along its track about 0.86 ring radii. Release and wait. Expected departure: Ring 1. Expected remainder: 0 rings, 6 bars.
Move S1 right along its track about 14.00 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S1. Expected remainder: 0 rings, 5 bars.
Move S7 left along its track about 6.86 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S7. Expected remainder: 0 rings, 4 bars.
Move S9 left along its track about 13.86 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S9. Expected remainder: 0 rings, 3 bars.
Read this board before making a move
- Ring
- An open ring can rotate. Align its opening with the connecting pin to release that connection. Rings fly away automatically once their connections and constraints are released.
- Blocking pin
- A fixed pin sitting on a ring's edge. It holds another ring in place, so its gap has to face this pin.Read the mechanism guide →
- Latch
- Holds a ring in place. A stick locks it, so release the stick first and then turn the matching ring.Read the mechanism guide →
- Stick
- Slide bar. Move it sideways to release the latch it is tied to.Read the mechanism guide →
Ring positions and connections
Positions refer to the diagram. Connections describe what to inspect, not an additional removal order.
| Ring | Position | Type |
|---|---|---|
| 1 | Center | Open |
| 2 | Center | Open |
| 3 | Center | Open |
| 4 | Lower center | Open |
| 5 | Center | Open |
| 6 | Center | Open |
| 7 | Center | Open |
| 8 | Center | Open |
- Ring 2 is connected to a blocking relationship with ring 3. Check this pair on the diagram.
- Ring 8 is connected to a blocking relationship with ring 7. Check this pair on the diagram.
- Ring 5 is connected to a blocking relationship with ring 6. Check this pair on the diagram.
Board · F

4 rings, 3 blocking pins, 8 slide bars, 7 clamps
Ring numbers
1234
Numbers identify the rings on the diagram; they do not specify an operation order.
Diagram legend
Numbers identify individual rings; S labels bars, C labels clamps, and B marks a bomb. Match the colored rings, pins, slide bars and clamps to your board.
Rings: 4 · Blocking pins: 3 · Stop pins: 0 · Slide bars: 8 · Clamps: 7 · Bombs: 0
Step-by-step walkthrough
Candidate walkthrough; gameplay confirmation is pending. Release after each move and wait for the expected departures. Stop and report the first mismatch. This candidate assumes a clamp opens when its paired bar leaves; confirm this behavior in the game.
Move S1 right along its track about 3.14 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S1. Expected remainder: 4 rings, 7 bars.
Rotate Ring 4 clockwise about 56°. Target opening direction: 359° (right 0°, up 90°). Release and wait. Expected departure: Ring 4. Expected remainder: 3 rings, 7 bars.
Move S2 right along its track about 3.14 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S2. Expected remainder: 3 rings, 6 bars.
Move S4 left along its track about 3.14 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S4. Expected remainder: 3 rings, 5 bars.
Rotate Ring 1 counterclockwise about 53°. Target opening direction: 288° (right 0°, up 90°). Release and wait. Expected departure: Ring 2, Ring 1. Expected remainder: 1 rings, 5 bars.
Move S3 left along its track about 2.00 ring radii. Release and wait. Expected departure: Ring 3. Expected remainder: 0 rings, 5 bars.
Move S3 left along its track about 5.14 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S3. Expected remainder: 0 rings, 4 bars.
Move S5 right along its track about 3.29 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S5. Expected remainder: 0 rings, 3 bars.
Move S6 right along its track about 9.43 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S6. Expected remainder: 0 rings, 2 bars.
Move S7 right along its track about 9.00 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S7. Expected remainder: 0 rings, 1 bars.
Move S8 right along its track about 3.57 ring radii. Continue until the bar leaves the board. Release and wait. Expected departure: S8. Expected remainder: 0 rings, 0 bars.
Read this board before making a move
- Ring
- An open ring can rotate. Align its opening with the connecting pin to release that connection. Rings fly away automatically once their connections and constraints are released.
- Blocking pin
- A fixed pin sitting on a ring's edge. It holds another ring in place, so its gap has to face this pin.Read the mechanism guide →
- Latch
- Holds a ring in place. A stick locks it, so release the stick first and then turn the matching ring.Read the mechanism guide →
- Stick
- Slide bar. Move it sideways to release the latch it is tied to.Read the mechanism guide →
- Closed ring
- A closed ring has no opening. Release its blocking connections using the surrounding objects; the ring flies away automatically when it is free.Read the mechanism guide →
Ring positions and connections
Positions refer to the diagram. Connections describe what to inspect, not an additional removal order.
| Ring | Position | Type |
|---|---|---|
| 1 | Lower left | Open |
| 2 | Center | Closed |
| 3 | Center | Open |
| 4 | Upper right | Open |
- Ring 2 is connected to a blocking relationship with ring 4. Check this pair on the diagram.
- Ring 2 is connected to a blocking relationship with ring 1. Check this pair on the diagram.
Board · H

16 rings, 8 blocking pins, 17 slide bars, 17 clamps
Ring numbers
12345678910111213141516
Numbers identify the rings on the diagram; they do not specify an operation order.
Diagram legend
Numbers identify individual rings; S labels bars, C labels clamps, and B marks a bomb. Match the colored rings, pins, slide bars and clamps to your board.
Rings: 16 · Blocking pins: 8 · Stop pins: 0 · Slide bars: 17 · Clamps: 17 · Bombs: 0
Step-by-step walkthrough
The complete route is still being worked out. Only the opening moves below passed the current checks; they do not establish a full solution. This candidate assumes a clamp opens when its paired bar leaves; confirm this behavior in the game.
Rotate Ring 15 clockwise about 165°. Target opening direction: 285° (right 0°, up 90°). Release and wait. Expected departure: Ring 15, Ring 3. Expected remainder: 14 rings, 17 bars.
Rotate Ring 14 clockwise about 34°. Target opening direction: 1° (right 0°, up 90°). Release and wait. Expected departure: Ring 14, Ring 12. Expected remainder: 12 rings, 17 bars.
Rotate Ring 6 counterclockwise about 35°. Target opening direction: 250° (right 0°, up 90°). Release and wait. Expected departure: Ring 8, Ring 6. Expected remainder: 10 rings, 17 bars.
Read this board before making a move
- Ring
- An open ring can rotate. Align its opening with the connecting pin to release that connection. Rings fly away automatically once their connections and constraints are released.
- Blocking pin
- A fixed pin sitting on a ring's edge. It holds another ring in place, so its gap has to face this pin.Read the mechanism guide →
- Latch
- Holds a ring in place. A stick locks it, so release the stick first and then turn the matching ring.Read the mechanism guide →
- Stick
- Slide bar. Move it sideways to release the latch it is tied to.Read the mechanism guide →
- Closed ring
- A closed ring has no opening. Release its blocking connections using the surrounding objects; the ring flies away automatically when it is free.Read the mechanism guide →
Ring positions and connections
Positions refer to the diagram. Connections describe what to inspect, not an additional removal order.
| Ring | Position | Type |
|---|---|---|
| 1 | Lower left | Open |
| 2 | Lower left | Open |
| 3 | Middle left | Closed |
| 4 | Lower left | Open |
| 5 | Lower left | Open |
| 6 | Center | Open |
| 7 | Upper center | Open |
| 8 | Center | Open |
| 9 | Upper center | Open |
| 10 | Lower center | Closed |
| 11 | Middle right | Open |
| 12 | Upper right | Open |
| 13 | Middle right | Open |
| 14 | Upper right | Open |
| 15 | Middle left | Open |
| 16 | Lower center | Open |
- Ring 3 is connected to a blocking relationship with ring 15. Check this pair on the diagram.
- Ring 10 is connected to a blocking relationship with ring 16. Check this pair on the diagram.
- Ring 5 is connected to a blocking relationship with ring 4. Check this pair on the diagram.
- Ring 2 is connected to a blocking relationship with ring 1. Check this pair on the diagram.
- Ring 9 is connected to a blocking relationship with ring 7. Check this pair on the diagram.
- Ring 12 is connected to a blocking relationship with ring 14. Check this pair on the diagram.
- Ring 8 is connected to a blocking relationship with ring 6. Check this pair on the diagram.
- Ring 11 is connected to a blocking relationship with ring 13. Check this pair on the diagram.
Board · I

9 rings, 7 blocking pins
Ring numbers
123456789
Numbers identify the rings on the diagram; they do not specify an operation order.
Diagram legend
Numbers identify individual rings; S labels bars, C labels clamps, and B marks a bomb. Match the colored rings, pins, slide bars and clamps to your board.
Rings: 9 · Blocking pins: 7 · Stop pins: 1 · Slide bars: 0 · Clamps: 0 · Bombs: 0
Step-by-step walkthrough
Candidate walkthrough; gameplay confirmation is pending. Release after each move and wait for the expected departures. Stop and report the first mismatch.
Rotate Ring 4 clockwise about 85°. Target opening direction: 325° (right 0°, up 90°). Release and wait. Expected departure: Ring 5. Expected remainder: 8 rings, 0 bars.
Rotate Ring 4 clockwise about 125°. Target opening direction: 200° (right 0°, up 90°). Release and wait. Expected departure: Ring 4. Expected remainder: 7 rings, 0 bars.
Rotate Ring 2 clockwise about 110°. Target opening direction: 125° (right 0°, up 90°). Release and wait. Expected departure: Ring 1. Expected remainder: 6 rings, 0 bars.
Rotate Ring 2 clockwise about 147°. Target opening direction: 338° (right 0°, up 90°). Release and wait. Expected departure: Ring 2. Expected remainder: 5 rings, 0 bars.
Rotate Ring 6 counterclockwise about 90°. Target opening direction: 140° (right 0°, up 90°). Release and wait. Expected departure: Ring 3, Ring 6. Expected remainder: 3 rings, 0 bars.
Rotate Ring 7 clockwise about 85°. Target opening direction: 120° (right 0°, up 90°). Release and wait. Expected departure: Ring 8. Expected remainder: 2 rings, 0 bars.
Rotate Ring 7 clockwise about 150°. Target opening direction: 330° (right 0°, up 90°). Release and wait. Expected departure: Ring 7, Ring 9. Expected remainder: 0 rings, 0 bars.
Read this board before making a move
- Ring
- An open ring can rotate. Align its opening with the connecting pin to release that connection. Rings fly away automatically once their connections and constraints are released.
- Blocking pin
- A fixed pin sitting on a ring's edge. It holds another ring in place, so its gap has to face this pin.Read the mechanism guide →
- Stop pin
- Limits how far a ring can turn, so only part of the ring is reachable.Read the mechanism guide →
- Closed ring
- A closed ring has no opening. Release its blocking connections using the surrounding objects; the ring flies away automatically when it is free.Read the mechanism guide →
Ring positions and connections
Positions refer to the diagram. Connections describe what to inspect, not an additional removal order.
| Ring | Position | Type |
|---|---|---|
| 1 | Upper left | Closed |
| 2 | Middle left | Open |
| 3 | Lower center | Open |
| 4 | Center | Open |
| 5 | Center | Open |
| 6 | Lower center | Open |
| 7 | Middle right | Open |
| 8 | Upper right | Closed |
| 9 | Lower right | Open |
- Ring 1 is connected to a blocking relationship with ring 2. Check this pair on the diagram.
- Ring 1 is connected to a blocking relationship with ring 4. Check this pair on the diagram.
- Ring 5 is connected to a blocking relationship with ring 4. Check this pair on the diagram.
- Ring 8 is connected to a blocking relationship with ring 7. Check this pair on the diagram.
- Ring 9 is connected to a blocking relationship with ring 7. Check this pair on the diagram.
- Ring 3 is connected to a blocking relationship with ring 6. Check this pair on the diagram.
- Ring 3 is connected to a blocking relationship with ring 2. Check this pair on the diagram.
Board · J

9 rings, 7 blocking pins
Ring numbers
123456789
Numbers identify the rings on the diagram; they do not specify an operation order.
Diagram legend
Numbers identify individual rings; S labels bars, C labels clamps, and B marks a bomb. Match the colored rings, pins, slide bars and clamps to your board.
Rings: 9 · Blocking pins: 7 · Stop pins: 1 · Slide bars: 0 · Clamps: 0 · Bombs: 0
Step-by-step walkthrough
Candidate walkthrough; gameplay confirmation is pending. Release after each move and wait for the expected departures. Stop and report the first mismatch.
Rotate Ring 4 clockwise about 100°. Target opening direction: 310° (right 0°, up 90°). Release and wait. Expected departure: Ring 5. Expected remainder: 8 rings, 0 bars.
Rotate Ring 4 clockwise about 125°. Target opening direction: 185° (right 0°, up 90°). Release and wait. Expected departure: Ring 4. Expected remainder: 7 rings, 0 bars.
Rotate Ring 2 clockwise about 125°. Target opening direction: 110° (right 0°, up 90°). Release and wait. Expected departure: Ring 1. Expected remainder: 6 rings, 0 bars.
Rotate Ring 2 clockwise about 147°. Target opening direction: 323° (right 0°, up 90°). Release and wait. Expected departure: Ring 2. Expected remainder: 5 rings, 0 bars.
Rotate Ring 6 counterclockwise about 105°. Target opening direction: 155° (right 0°, up 90°). Release and wait. Expected departure: Ring 3, Ring 6. Expected remainder: 3 rings, 0 bars.
Rotate Ring 7 clockwise about 100°. Target opening direction: 105° (right 0°, up 90°). Release and wait. Expected departure: Ring 8. Expected remainder: 2 rings, 0 bars.
Rotate Ring 7 clockwise about 150°. Target opening direction: 315° (right 0°, up 90°). Release and wait. Expected departure: Ring 7, Ring 9. Expected remainder: 0 rings, 0 bars.
Read this board before making a move
- Ring
- An open ring can rotate. Align its opening with the connecting pin to release that connection. Rings fly away automatically once their connections and constraints are released.
- Blocking pin
- A fixed pin sitting on a ring's edge. It holds another ring in place, so its gap has to face this pin.Read the mechanism guide →
- Stop pin
- Limits how far a ring can turn, so only part of the ring is reachable.Read the mechanism guide →
- Closed ring
- A closed ring has no opening. Release its blocking connections using the surrounding objects; the ring flies away automatically when it is free.Read the mechanism guide →
Ring positions and connections
Positions refer to the diagram. Connections describe what to inspect, not an additional removal order.
| Ring | Position | Type |
|---|---|---|
| 1 | Upper left | Closed |
| 2 | Middle left | Open |
| 3 | Lower center | Open |
| 4 | Center | Open |
| 5 | Center | Open |
| 6 | Lower center | Open |
| 7 | Middle right | Open |
| 8 | Upper right | Closed |
| 9 | Lower right | Open |
- Ring 1 is connected to a blocking relationship with ring 2. Check this pair on the diagram.
- Ring 1 is connected to a blocking relationship with ring 4. Check this pair on the diagram.
- Ring 5 is connected to a blocking relationship with ring 4. Check this pair on the diagram.
- Ring 8 is connected to a blocking relationship with ring 7. Check this pair on the diagram.
- Ring 9 is connected to a blocking relationship with ring 7. Check this pair on the diagram.
- Ring 3 is connected to a blocking relationship with ring 6. Check this pair on the diagram.
- Ring 3 is connected to a blocking relationship with ring 2. Check this pair on the diagram.
Frequently asked questions
Which board should I use for level 90?
This page has 7 distinct boards. The default A board has 16 rings and 8 blocking pins. Compare these features and the thumbnails before following its steps.
What do the numbers on the diagram mean?
They identify individual rings, not the operation order. A written step can also describe a bar or latch, so the step number is not always the ring number. Match the ring number named in the instruction with the diagram.
What should I check when I am stuck on level 90?
Check whether the ring is open or closed, whether a stop pin limits rotation and whether a latch is still locked by a bar. Repeated rotation does not remove a fixed obstruction. Compare the neighboring connections, then return to the step for the matching ring number.