Build and play games and mods with AI coding agents
Free chess game analysis and personalized training built from your own games
Stage
Not given
Startup
Founded
Not given
2026
Based in
US
Not given
Pricing model
Free
Freemium
Pricing
Not given
Free plan includes game reviews (150 per day limit), puzzle practice, Blunder Preventer, one free session weekly of each premium trainer, 2 repertoires up to 10 lines each, and one scouting report monthly. Premium costs $2 per month, $12 every 6 months, or $20 per year, unlocking unlimited access to
Key features
50,000 open-source game assets library with 3D models, characters, textures, materials and sound effects
CLI and MCP server integration for coding agents
One-click mod setup and deployment
Game remix and mashup creation
Automatic game discovery on PC
AI agent-powered game building and testing
Move-by-move Stockfish analysis of Chess.com and Lichess games
Blunder Preventer trainer to spot tactical mistakes
Opening Improver with opening encyclopedia and repertoire trainer
Time Trainer for practicing under time pressure
Visualization module for calculating forcing lines
Resourcefulness training for difficult positions
Scouting report showing skill breakdown and training recommendations
Analysis board with Stockfish 19 running in browser
Daily chess puzzles
What makes it different
Largest open-source game asset library on the internet
AI coding agent integration for automated game development
Integrated game remix and mashup tools
One-press game discovery and mod setup
Personalized training built specifically from patterns in your own games rather than generic material
Recurring mistake detection that turns common errors into focused training modules
Free game analysis without sign-up for casual users
Integration with Chess.com and Lichess accounts for automatic game import
Affordable premium pricing starting at $2 per month
Patch
ChessVox