Colors: Brain Reflex Game
Fast focus and attention test
Free
It says "Red" but it's painted blue. Your brain hesitates for half a second. That half second is all you get.
You read "Green" but the word is painted orange. And the background is purple. Your brain stalls, and the clock doesn't wait.
Colors is a reaction game built on the Stroop effect, the same phenomenon psychologists have been studying for nearly a century: reading a word is automatic, naming the color it's printed in is not. When the two disagree, your attention has to pick a side.
HOW IT WORKS
The screen background changes color every round. Tap the word that names that background color, ignoring the color the word itself is printed in. Sounds easy. It isn't.
- You start with 7 seconds and the clock never stops
- Every correct tap gives time back, but the bonus shrinks as you go
- Every mistake costs you a full second
- At 10 correct answers a fourth option appears, and another at 20
No levels, no loading screens. A run lasts exactly as long as you do.
ONE-MINUTE SESSIONS
Built for the queue at the pharmacy, the wait for a train, the ad break. Open it, play, close it. No ten-minute tutorial, no account to create.
YOUR SCORE, YOUR PROBLEM
The app keeps your five best runs. No global leaderboards stacked with players who've been grinding for months — the only person you need to beat is yesterday's you.
11 colors, sub-second reaction times, and a mechanic you'll understand in five seconds and still won't have mastered in a week.
This app contains ads.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
First release of Colors.
- Time-attack mode with 11 colors
- Progressive difficulty: more options as you improve
- Your five best scores, stored on device
- Option to keep going after the clock runs out
- Available in English, Spanish and Portuguese
Found a bug or have an idea? Write to me. I read everything.
The developer, Hector Pedro Toledo, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Hector Pedro Toledo
- Size
- 6.7 MB
- Category
- Casual
- Compatibility
Requires iOS 17.5 or later.
- iPhone
Requires iOS 17.5 or later. - iPad
Requires iPadOS 17.5 or later.
- iPhone
- Languages
English and 2 more
- English, Portuguese, Spanish
- Age Rating
4+
- 4+
- Copyright
- © Hector Pedro Toledo 2026