⚡ Emoji Reaction

Emoji Reaction is a tiny reaction-time test. You get one target emoji, then a stream of random emojis flashes by. Your job is to tap only when the target shows up.

🖥️ Desktop controls: Press Enter to start or stop a session. When the stream is running, press Space or click the Tap! button as soon as you see your target emoji.

📱 Mobile controls: Tap the Tap! button as soon as your target emoji appears in the main box. Try not to panic-tap on the wrong emojis.

⏱️ Session length: Each run lasts about 30 seconds. Watch the timer at the top to see how much time you have left.

📊 Score: You see your hits, misses, accuracy, your best reaction time, and a live countdown timer for the current session.