Reaction Time Test Games 0.0 0 review(s) Free Price Install Custom wishlist OK About this app Measure how fast you react to a color change, built with pure React (no game engine). How to play Click, tap or press Space to start. The screen turns red — wait. After a random delay (1.5–4.5 seconds) it turns green. Click, tap or press Space as soon as it turns green. Your reaction time is shown in milliseconds. Clicking before green shows Too soon! and counts that attempt as a miss. Each session has 5 attempts. Your average uses only the valid attempts. FeaturesResults screen with your average, each attempt, and your best average.Best average saved in localStorage. A session where every attempt was too soon isn't saved.History chart of your last 30 session averages (hover a point for details), with a table view.Mouse, touch and keyboard (Space) input.Stats: sessions, best average, overall average, fastest single reaction and how often you pressed too soon. Reset stats clears them, the best average and the history, after a Yes / No confirmation.Sound effects made with the Web Audio API, only after you press (a tick for a result, a buzz for too soon, a chime at the end). Nothing plays when the screen turns green, so the test stays a visual one. With a 🔊 toggle.Settings: theme for the start and results screens (same as the device, light or dark), and sound on or off, saved in localStorage. The colored play panels look the same in both. Show more This application can Show its own pages, and nothing more
