Combo

Combos are bonuses that exist in certain games which reward multiple line clears in quick succession. The exact conditions for triggering combos, and the amount of importance assigned to them, vary from game to game.

= Games with combos in their rules=
 * Magical Tetris Challenge
 * Tetris The Grand Master
 * Tetris The Absolute The Grand Master 2
 * Tetris The Absolute The Grand Master 2 PLUS
 * Tetris The Grand Master 3 Terror-Instinct
 * Cultris
 * Tetris Zone
 * Tetris Online (Japan) Called REN in the game.