Progressive blindfold chess training from square recognition to full games
Free browser-based robot fighting game
Stage
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Founded
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Based in
FR
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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.
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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
Play in browser without download
Short combat rounds with readable attack wind-ups
Upgrade weapons, armor, and special abilities between fights
Works on phones and desktops
Portrait orientation optimized for mobile
Built on Unity 6
Official apps on Google Play and App Store
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
No installation required - play instantly in browser
Portrait-first design optimized for mobile gameplay
DarkSquares
Mechangelion