Wait for green. Click the button as fast as you can.
⚠️ LEAVE THIS GAME?
Your progress will be lost.
LIVE REACTION TESTING — V2
HOW FAST ARE YOU?
8 game modes. Real-time global leaderboard. Anti-cheat verified. Earn your rank from Beginner to Reflex God.
—
TESTS TAKEN
247ms
GLOBAL AVG
8
GAME MODES
12
ACHIEVEMENTS
ABOUT REACTIONLAB
WHAT IS THIS?
Precision reflex testing platform with 8 game modes. Play free, no login needed. Sign up to save scores and compete globally. All scores anti-cheat verified.
🎮
8 GAME MODES
Reaction, aim, brain and speed games. Each tests a different type of reflex.
🏆
RANK SYSTEM
8 tiers from Beginner to Reflex God based on your best performance.
⚡
LIVE LEADERBOARD
Scores update in real-time. See global rankings instantly.
🛡️
ANTI-CHEAT
Bot detection, keyboard blocking, multi-click detection. Only genuine scores.
🎖️
ACHIEVEMENTS
12 trophies to unlock. Track progress in your profile.
📸
SCORE CARDS
Download premium PNG score card after every game. Share anywhere.
RANK SYSTEM
YOUR RANK TIERS
RANK
REACTION TIME
👑
REFLEX GOD
Under 130ms
⚡
LIGHTNING
130–160ms
🎯
PREDATOR
160–190ms
💨
SWIFT
190–220ms
🏎️
RACER
220–260ms
🥊
CONTENDER
260–320ms
🌱
ROOKIE
320–400ms
🔰
BEGINNER
400ms+
SELECT MODE
CHOOSE YOUR TEST
No login required. Wrong color = −1 point in Color Match.
🟢
EASY START
CLASSIC LIGHT
Wait for green, click as fast as possible. Pure reaction speed with live ms timer.
🏎️
F1 STYLE
F1 RACE START
3-2-1 countdown then 5 red lights. React when they go dark. Real F1 grid experience.
🎨
COGNITIVE
COLOR MATCH
Click the INK color not the word. Wrong answer = −1 point. Ring countdown timer.
🔢
SEQUENCE
NUMBER RUSH
25 scrambled numbers. Click 1 to 25 in order as fast as possible. Live stopwatch.
🎯
PRECISION
AIM TRAINER
Targets appear randomly. Click them before they disappear. Speed increases with difficulty.
⚽
REFLEX
BALL COLLECTOR
Balls spawn and vanish. Collect as many as possible before they disappear.
🧠
BRAIN
MEMORY SEQUENCE
Watch a color pattern flash. Repeat it in exact order. Gets longer every round.
➕
BRAIN+SPEED
MATH BLITZ
Solve math equations before the timer runs out. Gets harder with difficulty.
CLASSIC
MEDIUM
STRIKES
REACTION TIME
BEGINNERREFLEX GOD
🌍
WORLD RECORD!
READY FOR LIGHTS OUT?
F1 REACTION TIME
BEGINNERREFLEX GOD
🏎️
WORLD RECORD!
0
SCORE
0
STREAK
Click the INK COLOR not the word. Wrong = −1 point!
CLICK THE COLOR OF THE INK
RED
FINAL SCORE
🎨
WORLD RECORD!
1
CLICK NEXT
00:00.00
TIME
Click 1→25 in order as fast as possible!
COMPLETION TIME
🔢
WORLD RECORD!
0
HIT
30
SECONDS
0
MISSED
Click targets before they disappear!
TARGETS HIT
🎯
WORLD RECORD!
0
COLLECTED
30
SECONDS
Collect as many balls as possible!
BALLS COLLECTED
⚽
WORLD RECORD!
0
LEVEL
Watch!
STATUS
Watch the pattern then repeat it!
LEVELS COMPLETED
🧠
WORLD RECORD!
0
SCORE
30
SECONDS
0
STREAK
Solve equations before time runs out!
2 + 2
EQUATIONS SOLVED
➕
WORLD RECORD!
GLOBAL RANKINGS
LEADERBOARD
Real players only. Anti-cheat verified. Auto-saved when logged in.
LIVE — real-time updates
Your score qualifies for the leaderboard! Sign up free to compete globally.
🏆 WORLD RECORDS
🟢
CLASSIC LIGHT
101ms
🏎️
F1 RACE START
89ms
🎨
COLOR MATCH
38 pts
🔢
NUMBER RUSH
7.2s
🎯
AIM TRAINER
52 pts
⚽
BALL COLLECTOR
68 pts
🧠
MEMORY
20 lvl
➕
MATH BLITZ
35 pts
Beat a world record? The game will show you a special card when you do!
LOGIN TO VIEW PROFILE
Create account to save scores, earn achievements and see your global rank.
?
—
—
—
BEST SCORES — Click any to download score card
ACHIEVEMENTS
RECENT GAMES
ABOUT
ABOUT REACTIONLAB
ReactionLab v2 — free precision reaction time testing for everyone.
WHAT WE DO
8 game modes testing different aspects of reaction speed — pure reflex, cognitive challenges and aim precision. All scores anti-cheat verified. Free forever.
VERSION 2
New in v2: Aim Trainer, Ball Collector, Memory Sequence, Math Blitz, achievement system, world record detection, score card downloads, improved anti-cheat, difficulty levels and compare card.
ANTI-CHEAT
Bot detection under 41ms, keyboard blocking, tab-switch cancellation, multi-click detection, auto-clicker prevention, 3-strike system with 60-second cooldown. Truly unpredictable timing in Classic and F1 modes.