Abstacked

Abstacked is a Tetris variant where the player needs to clear stars. Pieces drop down in pairs, can be rotated, and fill up columns. A star is cleared when it ends up in-between two identical shapes. When a game starts, the stars are already present. If the player fails to clear enough star pieces before they reach the top of the playing field, the game is over. There are two game modes (Story and Infinity) and five difficulty levels.