A free memory game inspired by Ayumu the chimpanzee at Kyoto University
Stage
Established
Not given
Founded
2017
Not given
Based in
HK
Not given
Pricing model
Free
Free
Pricing
Free to play. Premium membership available (cost not specified on these pages). Gold Coins earned through gameplay, watching ads, or daily check-ins. Credits earned in Coins mode gameplay or purchased. Physical and digital prizes redeemable through in-platform catalog.
Not given
Key features
Seasonal gameplay with $1 billion prize pool
Multiple game modes: Five by Five, Daily Random, Tick Bingo
Power-up items like Tolerance Shield and Timer Reveal
Multiplayer duels and Precision Arena
Card collection system with set bonuses
In-game shop with cosmetics and items
Progressive levels that add numbered squares
Flash window shrinks as difficulty increases
Three-strike game over system
Local browser storage of scores
Challenge links with shared level difficulty
Customizable flash speed via URL parameter
What makes it different
Players keep most of the value generated by the platform
Guaranteed grand prize distribution: if $1B not reached in 10 years, entire accumulated pool distributed to qualified players
Pure skill-based competition with escalating precision challenges
Continuous seasonal gameplay that never ends
Rewards players for precision with activity multipliers and bonus drops
Based on genuine peer-reviewed research from Kyoto University's 2007 Ayumu experiment
No account, no download, no personal data collection
Includes detailed educational articles about the original experiment and memory science