| English | eng-000 |
| brain teaser | |
| eesti | ekk-000 | peamurdmisülesanne |
| ελληνικά | ell-000 | αίνιγμα |
| ελληνικά | ell-000 | σπαζοκεφαλιά |
| English | eng-000 | conundrum |
| English | eng-000 | enigma |
| English | eng-000 | mystery |
| English | eng-000 | puzzle |
| English | eng-000 | quiz |
| English | eng-000 | riddle |
| English | eng-000 | teaser |
| English | eng-000 | tickler |
| français | fra-000 | casse-tête |