| ID | Name | Tags | Submitters | % Correct | Average |
|---|---|---|---|---|---|
| jas | Zadanie Jasiek | pa 2003 r3 | 17 | 64% | 82 |
| jed | Zadanie Jednoręki bandyta [B] | pa 2013 r2 b | 88 | 73% | 80 |
| jul | Zadanie Julka | pa 2003 r2 | 180 | 48% | 72 |
| kam | Kampania wyborcza [B] | pa 2026 r3 | 7 | 85% | 85 |
| kam | Task Stone Game | pa 2013 final | 67 | 71% | 73 |
| kan | Task Kangaroos [A] | pa 2011 r6 a | 12 | 25% | 42 |
| kar | Zadanie Karty [A] | pa 2013 r3 a | 12 | 33% | 43 |
| kar | Task Cards [B] | pa 2009 r6 b | 5 | 80% | 98 |
| kar | Task Sheets [A] | pa 2007 r3 | 14 | 21% | 28 |
| kaw | Na kawałeczki | pa final 2018 | 4 | 50% | 71 |
| kie | Kieszonkowe [B] | pa b r1 2015 | 12 | 100% | 100 |
| kla | Klawiatura | pa final 2017 | 19 | 100% | 100 |
| kli | Task Cliquers [A] | pa 2008 r5 a | 12 | 50% | 57 |
| klu | Task Sport Clubs [A] | pa 2007 r4 a | 5 | 40% | 58 |
| kni | Zadanie Skoczki | pa 2001 r6 | 66 | 74% | 81 |
| kns | Task (K,N)-knight [B] | pa 2009 r2 b | 79 | 58% | 61 |
| ko2 | Task Conference - Rectification [A] | pa 2007 r2 a | 5 | 40% | 46 |
| kod | Kodowanie macierzami [B] | pa 2026 r5 | 2 | 100% | 100 |
| kol | Mieszanie kolorów [B] | pa 2020 b r1 | 170 | 74% | 82 |
| kol | Kolorowy las [A] | pa a r4 2024 | 4 | 50% | 55 |