Grid Start

■ One rule. That's it. Five red lights come on, one per second. The instant they all go out — TAP! A racing-start reflex game that measures your reaction time down to 0.001 seconds. ■ What's your rank? - Under 0.18s … Pro Driver - Under 0.23s … Semi-Pro - Under 0.30s … Amateur Racer Slower than that? Play and find out. ■ Earn coins in Best of 5 Five runs in a row — your average time decides the reward. Jump the start (tap before lights out) and you're done. The tension is addictive. ■ Collect all 31 machines Spend your coins on the gacha and build your garage. Animals, weather, myths, celestial bodies — 31 machines across rarity tiers. And one Secret machine nobody talks about. Obtain it and see your number: "Owner #N in the world." ■ World leaderboards Compete on Game Center with two boards: best single time and best 5-run average. ■ Send a challenge Share your result card and ask your friends: "Can you beat this time?"