Reaction Test: Star Signal
Quick skills game · Medium · Free to play
Ready when you areBest: —

Tap a STAR, but leave the square alone.
About this game
Reaction Test: Star Signal is a free online skill game. Recognize the target shape quickly and withhold your response when a square replaces it. Play a complete scored session with clear feedback and a fresh challenge on every round.
How to play
Tap a STAR, but leave the square alone.
Controls
Tap or click the labeled controls. Keyboard users can use Tab and Enter.
Your next round
Use Restart for a fresh game. Save this game to find it in My favorites. Your best score stays on this device.
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