Tetris

Instructions: The default controls are: Left arrow, move left ; Right arrow, move right ; Down arrow, soft drop ; Up arrow, rotate clockwise ; z, rotate counter-clockwise ; c, hold piece ; Space, hard drop ; Escape, pause.
These controls can be changed in the pause menu. Additionally, DAS means Delayed Auto Shift (i.e. delay between pressing and holding a key before ARR occurs) and ARR means Auto Repeat Rate. Read up about it here.

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