Test your lightning-fast reflexes with the ultimate reaction time challenge! Reaction Test is a simple yet addictive game designed specifically for Apple Watch. Challenge yourself to react as quickly as possible when the screen changes from red to green. How to Play: Tap to start the game Wait for the red screen (don't tap early!) When it turns green, tap as fast as you can See your reaction time in milliseconds Features: Clean, minimalist interface optimized for Apple Watch Precise millisecond timing Personal best tracking across sessions Haptic feedback for successful reactions Instant performance ratings from "Lightning fast!" to "Very slow" Random delay timing to keep you on your toes Challenge Yourself: Under 200ms = Lightning fast reflexes! 200-300ms = Excellent reaction time 300-400ms = Good performance Can you beat your personal best? Perfect for quick gaming sessions, testing your alertness, or competing with friends. No complicated rules - just pure reaction speed testing at its finest. Compatible with all Apple Watch models. No iPhone required to play!