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Compare allApp info
- Installs
- 10+
- Category
- Arcade
- Content rating
- Everyone
- Version
- 1.1.8
- Released
- Sep 5, 2026
- Last updated
- 21 Sept 2026
- In-app purchases
- No
- Contains ads
- Yes
- Promo video
- Yes
- Requires Android
- 7.0
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- Increase game speed - Bug Fixes
Test your reflexes in this fast-paced hyper-casual tap game. Never tap the X!
Looking for a fast-paced time killer to test your reaction speed? ReactX is a hyper-casual arcade tap game designed to push your hand-eye coordination and reflexes to the absolute limit. How to Play It is incredibly simple to learn, but brutally hard to master. Letters will rapidly appear on your screen. Tap them as fast as you can to build your score! But there is one golden rule: Never tap the 'X'. With every correct tap, the game gets progressively faster. You have to think fast and react even faster. Make a mistake and tap an 'X', and you will earn a strike. Five strikes and it is Game Over! How long can you survive the endless loop? Key Features Hyper-Casual Gameplay: Jump right into the action instantly. It is the perfect quick time killer for when you are waiting in line or commuting. Endless Speed Scaling: The difficulty naturally scales. The better you do, the faster the letters spawn, delivering an intense reflex test and brain training challenge. Midnight Mode: A sleek, built-in dark theme that reduces eye strain and looks incredible on modern screens. Play Offline: No Wi-Fi? No problem! ReactX is a fully functional offline game. Play it anywhere, anytime, without using up your mobile data. Clean, Abstract Aesthetic: A distraction-free, stylized interface built for maximum performance and responsiveness. Challenge yourself, beat your personal high score, and prove you have the fastest reaction time. Download ReactX today and start tapping—just watch out for the X!