68 additional cards with 680 questions for Mälumängudoomino Mälumängu Doomino (Trivia Dominoes) is a boardgame that puts a trivia element into the well known dominoes game. The tiles have two categories marked on them, out of total ten. The tile placement follows normal domino rules, but each time you are placing a tile, you have to answer a question on the topic marked on the tile in question.