Game 014 — Reaction Time Test

Theme: Retro Arcade
🧠 New concept: setTimeout + performance timing

Play

Press Begin. Wait for GO, then click!

Best: —

← Prev All Games Next →

Learning Notes

🧩 What’s different from last game?

You measure human reaction precisely and prevent early clicks with state.

🔀 Optional challenge variants

Open the code and try the variant ideas listed in comments near the bottom.

Tip: Use your browser devtools console to inspect state while you play.