| level 1: the wrong pairity | ||
|---|---|---|
| 243 | 2004-05-16 22:11:33 | Larry Jackson |
| level 2: multiplication | ||
| 289 | 2004-03-11 20:11:47 | anders kaseorg |
| 290 | 2004-03-11 21:40:50 | andrew e. |
| 293 | 2004-03-11 21:42:17 | ccexplore |
| 294 | 2004-03-11 21:48:25 | ccexplore |
| level 3: triple maze | ||
| 446 | 2004-05-17 21:31:52 | Larry Jackson |
| 617 | 2006-10-02 15:41:30 | Paul Gilbert |
| 619 | 2016-12-01 17:57:00 | Miika Toukola |
| level 4: carving the perfect shape | ||
| 362 | 2006-10-02 15:41:30 | Paul Gilbert |
| level 5: pi or pie? | ||
| 187 | 2004-03-11 22:56:17 | ccexplore |
| level 6: organized chaos | ||
| 5 | 2005-03-01 13:22:27 | J.B. Lewis |
| level 7: buried treasure | ||
| 164 | 2004-05-16 22:11:33 | Larry Jackson |
| level 8: bugs | ||
| 283 | 2016-11-30 11:42:00 | Miika Toukola |