The player controls a triangle in the center of the screen. Every moment, a piece comes in from one side and pushes other pieces forward. Two consecutive pieces will never come in from the same quadrant. If a piece falls into the center square, the game is over. If the player shoots a piece of the same color as their triangle, it will be "zooped" (cleared) and points are earned. If the piece behind the target piece is also of the same color, it is also "zooped." The same goes for the next piece, and so on. If a piece of a different color than the player's current piece is shot, the player's piece will switch colors with it. This is also what happens when a piece of a different color is encountered after zooping one or more pieces of the same color. When the quota of "zooped" pieces is met, the game speeds up and the background changes.
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