| ID | Name | Tags | Submitters | % Correct | Average |
|---|---|---|---|---|---|
| kro | Zadanie Królestwo | pa 2014 final | 9 | 66% | 76 |
| kro | Task Rabbits | amppz 2012 | 20 | 60% | 69 |
| kry | Zadanie Kryształ [A] | pa 2013 r6 a | 1 | 100% | 100 |
| kry | Task Crystals | oi 13 e3 d1 | 19 | 57% | 76 |
| krz | Task Cross Spider | amppz 2011 | 96 | 71% | 83 |
| ktu | Zadanie Ktulu | ontak 2013 | 18 | 66% | 71 |
| kug | Zadanie Kuglarz [A] | pa 2014 r1 a | 76 | 61% | 70 |
| kul | Zadanie Kule | oi 3 e3 d1 | 26 | 46% | 63 |
| kup | Zadanie Kupiec | proserwy 2010 | 43 | 65% | 78 |
| kup | Zadanie Kupiec | pref oig 4 e2 Medium | 373 | 63% | 72 |
| kup | Task Plot purchase | oi 15 e3 d1 | 122 | 67% | 74 |
| kur | Task Couriers | oi 21 e1 | 464 | 72% | 80 |
| kur | Task Resort | oi 9 e2 d2 | 117 | 81% | 89 |
| kur | Zadanie Kurs szybkiego czytania | oi 22 e2 d2 | 180 | 40% | 53 |
| kur | Zadanie Kurs szybkiego czytania | 6 | 66% | 69 | |
| kwa | Zadanie Kwadrat | pa 2013 trial | 209 | 55% | 82 |
| kwa | Zadanie Kwadrat magiczny | oig 4 e3 | 104 | 33% | 54 |
| kwa | Zadanie Kwadraty | oi 22 e1 | 94 | 63% | 75 |
| lab | Task The Labyrinth of Wells | oi 7 e2 d2 | 70 | 78% | 89 |
| lam | Task Flat Broken Lines | oi 5 e3 d2 | 24 | 87% | 89 |