About STACK
Rainbow Stacker is a vibrant puzzle game where you stack colorful blocks to reach new heights! Play free online at UBG 76 and test your stacking skills.
Now playing
Instant HTML5 · instantplayz
Rainbow Stacker is a vibrant puzzle game where you stack colorful blocks to reach new heights! Play free online at UBG 76 and test your stacking skills.
Aim with your mouse and click to fire. Use WASD to move and spacebar to jump or dodge. Reload with R and switch weapons with the number keys or scroll wheel.
Great for players who enjoy fast reflexes, aim training, and competitive browser-based shooting games.
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