Progressive blindfold chess training from square recognition to full games
Five seconds. One life.
Stage
Not given
Established
Founded
Not given
2017
Based in
FR
HK
Pricing model
Freemium
Free
Pricing
Free: €0 forever with unlimited exercises, games vs AI, and access to levels 1-3. Pro Lifetime: €39 one-time payment for all 7 levels, all 8 AI difficulties, famous games library, endgame training, and intermediate tactics.
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.
Key features
7 progressive training levels from square colors to full blindfold games
Unlimited exercises and games against AI
Voice-controlled play in 6 languages
Progress tracking and achievement system
Cross-device synchronization
Famous grandmaster games to replay blindfolded
Endgame training module
Multiple board visibility modes
Tactical puzzles and exercises
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
What makes it different
Systematic progression from fundamentals to blindfold mastery, not just a side effect of puzzle training
Free tier is genuinely free with no dark patterns or engagement manipulation
One-time €39 lifetime payment with no subscription required
Built and maintained by a single indie developer actively improving the product
Available across web, iOS, and Android with unified account
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
DarkSquares
Carpe Five™