Number Series: Mind Puzzles
3.0star
121 reviews
Everyone
info
10K+
Downloads
About this game
Your brain is your most important muscle. Give it a daily workout!
Number Series turns brain training into something you actually look forward to. Simple number puzzles, surprisingly addictive, and designed to keep your mind sharp at any age.
💡 DISCOVER YOUR IQ
Ever wondered how your brain really performs? Our IQ Test measures 5 cognitive abilities and gives you a score with a full breakdown. Retake it after training and see the improvement.
🌤️ START YOUR DAY RIGHT
The Daily Challenge gives you one puzzle each morning. Solve it, build your streak, and start the day feeling sharp. It takes less than a minute!
🧩 9 GAME MODES FOR EVERY MOOD
Feeling focused? Try Classic (25 levels with a hidden word twist) or Mastery (120 star-collecting challenges).
Got a minute? Jump into Speed Blitz (race the clock) or the Daily Challenge.
Want to relax? Zen Practice has no timer and no penalties — just you and the puzzles.
Feeling competitive? Challenge friends in Duel mode, join the weekly Tournament, or train with 13 Brain Training mini-games.
Want all of it? Marathon mode serves infinite puzzles until you drop.
📊 SEE YOUR BRAIN EVOLVE
A beautiful radar chart shows your cognitive profile across 5 dimensions. Track your XP, watch your rank climb, and celebrate milestones with achievements.
🎨 BEAUTIFUL & PERSONAL
Choose from 3 color themes — warm Amber, cool Midnight, or calming Sage. Full dark mode. Material You on Android 12+. Adapts to phones and tablets.
🌍 12 LANGUAGES
English, German, Spanish, French, Hindi, Indonesian, Japanese, Korean, Portuguese, Romanian, Turkish, and Chinese.
Free to play. No ads getting in the way.
Your future self will thank you. Start your first puzzle now!
Number Series turns brain training into something you actually look forward to. Simple number puzzles, surprisingly addictive, and designed to keep your mind sharp at any age.
💡 DISCOVER YOUR IQ
Ever wondered how your brain really performs? Our IQ Test measures 5 cognitive abilities and gives you a score with a full breakdown. Retake it after training and see the improvement.
🌤️ START YOUR DAY RIGHT
The Daily Challenge gives you one puzzle each morning. Solve it, build your streak, and start the day feeling sharp. It takes less than a minute!
🧩 9 GAME MODES FOR EVERY MOOD
Feeling focused? Try Classic (25 levels with a hidden word twist) or Mastery (120 star-collecting challenges).
Got a minute? Jump into Speed Blitz (race the clock) or the Daily Challenge.
Want to relax? Zen Practice has no timer and no penalties — just you and the puzzles.
Feeling competitive? Challenge friends in Duel mode, join the weekly Tournament, or train with 13 Brain Training mini-games.
Want all of it? Marathon mode serves infinite puzzles until you drop.
📊 SEE YOUR BRAIN EVOLVE
A beautiful radar chart shows your cognitive profile across 5 dimensions. Track your XP, watch your rank climb, and celebrate milestones with achievements.
🎨 BEAUTIFUL & PERSONAL
Choose from 3 color themes — warm Amber, cool Midnight, or calming Sage. Full dark mode. Material You on Android 12+. Adapts to phones and tablets.
🌍 12 LANGUAGES
English, German, Spanish, French, Hindi, Indonesian, Japanese, Korean, Portuguese, Romanian, Turkish, and Chinese.
Free to play. No ads getting in the way.
Your future self will thank you. Start your first puzzle now!
Updated on
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
App activity, App info and performance, and Device or other IDs
Data is encrypted in transit
Data can’t be deleted
Ratings and reviews
2.3
110 reviews
A Google user
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October 11, 2018
Good problems. But too too too many ads.
5 people found this review helpful
KazyDroid
January 8, 2024
Thank you very much for your review. We're glad you find the problems interesting. Regarding the ads, we've pushed a new update(with a fresh new UI) in which the ads were removed completely from the classic game. Please try it out and let us know what do you think! Thank you. :)
A Google user
- Flag inappropriate
May 10, 2019
didn't like it at all... easy idiotic questions
2 people found this review helpful
KazyDroid
March 24, 2026
Hello, thank you for your feedback, recently we updated with a lot more game types, check it out and let us know what you think 🙂
A Google user
- Flag inappropriate
January 1, 2024
I really love the new design. Simple and clean!
2 people found this review helpful
What’s new
Bug fixes and improvements to make your experience better.
App support
About the developer
FUNCODE SRL
catalin.prata@funcode.ro
STR. EUGEN IONESCO NR. 67
BL. E SC. 2 ET. 2 AP. 49
400366 CLUJ-NAPOCA
Romania
+40 766 631 056
