| Title | Comments | Views | Updated | Posted | |
|---|---|---|---|---|---|
| 1 | Mental Puzzle # 3 (M / PN / S Theory) [Level: Easy] | 1 | 369 | 2010/10/11 | 18 years ago |
| 2 | Mental Puzzle # 2 (M / PN / S Theory) [Level: Medium] | 1 | 3,822 | 2010/10/11 | 18 years ago |
| 3 | Mental Puzzle # 1 (M / PN / S Theory) [Level: Hard] | 2 | 437 | 2010/10/11 | 18 years ago |