거꾸로: 기억력 뇌운동
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Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Watch the lights, tap them back in reverse. One minute a day of working-memory training. Climb 7 animal stages — Goldfish to Einstein.
Tap the sequence — in reverse.
Geokkuro is a working-memory game: watch the cells light up on a 3×3 grid,
then tap them back in REVERSE order.
Simple to learn, hard to put down. One minute a day is all it takes.
▶ How to play
1. Cells light up in order. Follow along and memorize.
2. "Reverse input!" — tap from the last cell back to the first.
3. Clear it to advance. Each round grows longer and faster.
▶ Features
• 7 Animal Memory stages — from Goldfish to Elephant, all the way to Einstein. Grow as you clear each stage.
• The Einstein challenge — the final stage takes a full deck's worth of clears (52) to reach.
• Adaptive difficulty — sequence length and speed tune themselves to your skill.
• Fake flashes — decoy lights on higher levels to test your focus.
• Pentatonic sound — every tap lands on a pleasant note.
• Hearts & revive — a slip isn't the end.
• Continue & daily streak — pick up where you left off, and keep the run alive.
• Detailed achievements — find out which animal your memory matches.
• Korean / English supported.
Free to play, supported by an unobtrusive banner and optional rewarded ads (to refill hearts). No purchases, no paywalls.
Flip your working memory — backwards.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Fixed ads not displaying correctly.
· Fixed banner ads staying hidden until the app was restarted after a failed load
· Ads now reload automatically after a failed load
· Fixed the "Watch Ad" button becoming unresponsive
· Ads display correctly when returning to the app
The developer, SUNGBO SIM, 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
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- SUNGBO SIM
- Size
- 31.4 MB
- Category
- Puzzle
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © 2026 BRAIN FLEX