| ID | Name | Tags | Submitters | % Correct | Average |
|---|---|---|---|---|---|
| puz | Task Puzzle | ceoi 2004 d2 | 2 | 100% | 100 |
| puz | Task Puzzle | 0 | |||
| sza | Task Quasi-template [A] | 7 | 100% | 100 | |
| sza | Task Quasi-template [A] | pa 2009 r5 a | 6 | 83% | 83 |
| wag | Task Quaternary Balance | oi 14 e3 d2 | 13 | 69% | 73 |
| wag | Task Quaternary Balance | 28 | 85% | 89 | |
| zap | Task Queries | 82 | 18% | 66 | |
| zap | Task Queries | oi 14 e1 | 68 | 27% | 47 |
| pyt | Task Questions [A] | 5 | 40% | 72 | |
| pyt | Task Questions [A] | pa 2008 r5 a | 3 | 33% | 63 |
| kro | Task Rabbits | 8 | 62% | 77 | |
| kro | Task Rabbits | amppz 2012 | 22 | 59% | 67 |
| mit | Task Races | 4 | 25% | 92 | |
| mit | Task Races | ontak 2007 | 4 | 75% | 97 |
| kol | Task Railway | 7 | 42% | 75 | |
| kol | Task Railway | oi 14 e3 d0 | 21 | 33% | 51 |
| kol | Task Railways | oi 9 e1 | 766 | 79% | 89 |
| kol | Task Railways | 66 | 77% | 89 | |
| rai | Task Raisins | ioi 2009 d1 | 9 | 100% | 100 |
| rai | Task Raisins | 12 | 75% | 78 |