Progressive blindfold chess training from square recognition to full games
Create online quizzes and custom trivia games for parties, celebrations, and team events
Stage
Not given
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Founded
Not given
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Based in
FR
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Pricing model
Freemium
Freemium
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: Build and test unlimited quizzes with up to 5 live players or 5 self-paced submissions. Premium: $19 per quiz to unlock for up to 200 players with no subscription.
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
Ready-made question templates with AI generation
Customizable themes, colors, and typography
Live and self-paced play modes
No account or app required to join
Presenter mode for TV or projector display
Real-time leaderboards and scoring
Create from phone, unlimited questions
Password protection for self-paced quizzes
Image support with Premium plan
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
Pay once per quiz with no subscription or recurring fees
Test unlimited quizzes for free with up to 5 players
Works on any device with a browser; no app download needed
Host from your phone while hosting or presenting anywhere
AI-generated starter questions to build quizzes faster
DarkSquares
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