Sign Says

Obey the green road signs by pressing their arrow in time — but a red 🚫 sign is a trap, so freeze and let it pass. The urge to react fights the rule, which is the whole point. Trains inhibition and reaction speed.

Trains: Inhibition & reaction · Category: Attention & Speed

How to play: Sign Says is a free, browser-based brain-training game in the Brain Gym suite. Play it instantly — no sign-up, works offline, and your best scores are saved on your device.

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