| ID | Name | Tags | Submitters | % Correct | Average |
|---|---|---|---|---|---|
| jas | Zadanie Jasio | pa 2005 r1 | 51 | 45% | 67 |
| jas | Zadanie Jaskinia | amppz 2014 | 41 | 63% | 70 |
| jas | Task Cave | amppz 2011 | 42 | 64% | 75 |
| jas | Task Cave | oi 11 e2 d1 | 90 | 40% | 65 |
| jed | Zadanie Jednoręki bandyta [B] | pa 2013 r2 b | 88 | 73% | 80 |
| jed | Task Ones | oi 17 e3 d2 | 11 | 54% | 62 |
| jed | Zadanie Jedynki | 47 | 65% | 74 | |
| jed | Task Ones And Zeros | oi 2 e1 | 348 | 85% | 92 |
| jez | Task Ones And Zeros 2 | oi 2 e1 | 114 | 62% | 76 |
| jul | Zadanie Julka | pa 2003 r2 | 176 | 48% | 72 |
| jur | Zadanie Juror | ontak 2013 | 0 | ||
| jut | Task Do It Tomorrow | amppz 2012 | 174 | 89% | 92 |
| kag | Task C-algae | oi 11 e3 d2 | 10 | 50% | 69 |
| kaj | Task Canoes | oi 4 e3 d1 | 1048 | 82% | 88 |
| kal | Zadanie Kalendarze | bin oig 3 e2 Medium | 1034 | 70% | 81 |
| kam | Task Pebbles | oi 16 e1 | 216 | 82% | 83 |
| kam | Task Stone Game | pa 2013 final | 67 | 71% | 73 |
| kan | Task Kangaroos [A] | pa 2011 r6 a | 12 | 25% | 42 |
| kap | Zadanie Kapitał | ontak 2013 | 15 | 26% | 33 |
| kap | Task The Captain | amppz 2014 | 85 | 81% | 88 |