| ID | Name | Tags | Submitters | % Correct | Average |
|---|---|---|---|---|---|
| kom | Liczby kompletne | oi 25 e3 d1 | 266 | 27% | 69 |
| kon | Task Ticket Inspector | oi 16 e2 d1 | 289 | 77% | 84 |
| kon | Kontrwywiad | oi 33 e2 d0 | 25 | 76% | 87 |
| kon | Kontenery | oi 24 e2 d2 | 1276 | 80% | 86 |
| kon | Konewka | oi 20 e2 d2 | 325 | 78% | 85 |
| kon | Zadanie Konspiracja | oi 18 e1 | 56 | 69% | 81 |
| kon | Konduktor | oi 25 e2 d1 | 359 | 50% | 58 |
| kop | Task Goldmine | oi 8 e3 d2 | 267 | 79% | 89 |
| kor | Korale | oi 23 e1 | 94 | 50% | 67 |
| kor | Task Beads | oi 17 e1 | 388 | 76% | 87 |
| kos | Zadanie Kości | oi 12 e2 d2 | 100 | 41% | 65 |
| kpk | Task The Right-Turn Drivers' Club | oi 2 e2 d0 | 125 | 79% | 92 |
| kra | Task The Disks | oi 13 e1 | 1618 | 77% | 84 |
| kry | Task Crystals | oi 13 e3 d1 | 21 | 61% | 78 |
| kry | Kryształ | oi 10 e3 d2 | 7 | 71% | 85 |
| kuc | Kucharz | dp bit oi 24 e3 d2 Medium | 184 | 60% | 65 |
| kul | Zadanie Kule | oi 3 e3 d1 | 33 | 42% | 62 |
| kup | Task Plot purchase | oi 15 e3 d1 | 128 | 68% | 75 |
| kur | Task Couriers | oi 21 e1 | 474 | 72% | 80 |
| kur | Zadanie Kurs szybkiego czytania | oi 22 e2 d2 | 186 | 40% | 53 |