Reaction Time Test
Click when the screen flashes to measure your reaction speed in milliseconds — challenge friends and share your score
Tap to Start
Click when the screen turns green
Continue Exploring
Other Games & Fun you might like...
Color Game
Guess the HEX code of a displayed color — scored by accuracy and speed. Train your color eye!
Decision Wheel
Spin the wheel to make a random decision — add your own options, cryptographically random, shareable result link
Coin Flip & Dice Roller
Flip a coin or roll any dice (d4–d20) with satisfying animation and cryptographic randomness — track history and roll multiple dice
Focus Mode Timer
Full-screen focus timer with ambient sound options — customizable work and break intervals with session tracking
Name Picker
Paste a list of names and pick a random winner — perfect for giveaways, classroom picks, and raffle draws
Dark Mode Typing Test
Minimal, beautiful dark-mode typing test — type passages, track WPM and accuracy in real time, inspired by Monkeytype
Color Blind Test
Ishihara-style dot plate test to check for red-green and blue-yellow color vision deficiency