The player clears lines to score points and after every 10 lines the level goes up. Popular Tetris (GBA Version Only): In this hidden mode the game is set up like the original Tetris game.Atom and Fusion Blocks are not cleared in line clears, and clearing a line containing an Atom or Fusion Block causes a Cascade. Players must try to connect falling 'Atom Blocks' to the Fusion Blocks. In this mode, there is a 'Fusion Block' at the bottom of the Matrix. Fusion Tetris: 'Activate the Atom Blocks'.

Lines cleared anywhere else earn no points. The player must try to clear lines that are on the Hot-Line. In this mode, there are six 'Hot-Lines' in the Matrix. This variant originated from 'The Next Tetris'. If 25 same-colored blocks connect, a Critical Mass is formed and are cleared from the Matrix. Same-colored Blocks stick together in this mode, hence the name. Players must try to clear the bottom line of 'Garbage Blocks'.

Sticky Tetris: 'Clear the Bottom Line'.

Cascades occur when a cleared line cause other Blocks to fall and clear another line. The player must try to clear lines that cause Cascades. This variant originated from The New Tetris. Lines cleared containing 4x4 Tetriminos cause large bonuses. While the player plays Tetris, they also must try to combine Tetriminos into squares.

Losses occur when the Tetriminos reach the top. A normal Tetris game, where the player plays until he/she loses. The Arcade mode variants are listed as follows: This is also where multiplayer games are played. This mode is where the player plays two-minute Tetris games of any variant.

Tetris worlds