brain-teaser

Noun

 * 1) A complex riddle or puzzle.

Translations

 * Armenian:
 * Bulgarian: главоблъсканица
 * Chinese:
 * Mandarin: 脑筋急转弯
 * Danish: hjernegymnastik, hjernevrider
 * Finnish:
 * French:
 * Galician: quebracabezas
 * Georgian: თავსატეხი
 * German: Denksportaufgabe,
 * Icelandic:
 * Italian:
 * Polish:, rozkmina
 * Portuguese:
 * Russian:
 * Swahili:
 * Swedish:, hjärngympa, hjärngymnastik