Description
Obsidian Chess: A Stunning 3D Multiplayer Chess Game for the Browser
Obsidian Chess turns the timeless game of chess into a polished, immersive 3D experience you can play right in a modern web browser. With a beautifully rendered board, smooth orbit and zoom controls, and a warm, premium lobby design, it is made for casual players, chess clubs, educators, and developers who want a complete, ready-to-use HTML5 game.
Play solo against a smart computer opponent, share a device for a local two-player match, or challenge friends and players around the world in real-time online games. Every mode is built into a single, fast-loading HTML5 package that needs no build step — just open it and play.
Three Ways to Play
- Versus AI: Take on three difficulty levels — Easy, Medium, and Hard — powered by a minimax engine with alpha-beta pruning, so beginners and experienced players alike get a fair, engaging challenge.
- Local Two-Player: Enjoy classic head-to-head chess on one device, perfect for friends, family, and classroom play.
- Online PVP: Use Firebase-powered real-time multiplayer for Quick Match pairing, private rooms with a simple 6-character code, live in-game chat, turn timers, and disconnect handling.
Custom Boards, Coins, and Rewards
Make the game your own with eight board themes, including Obsidian, Classic, Forest, Ocean, Royal, Ember, Arctic, and Night, plus a custom theme builder with live preview and five colour pickers for squares, background, panels, and accents. Earn coins by winning games, collect a daily bonus, and spend coins to unlock premium themes or reveal the best move with the Hint button in AI mode.
Complete, Authentic Chess Rules
Obsidian Chess supports full legal-move validation, checks, checkmate, and stalemate, along with castling, en passant, pawn promotion, the 50-move rule, threefold repetition, and insufficient-material draws. A move log in algebraic notation, captured-piece display, and undo keep every game clear and easy to follow.
Built for Smooth Performance Everywhere
Rendered with Three.js and WebGL, the game offers soft shadows, animated lobby transitions, custom overlays for pause, promotion, and game-over states, and synthesized in-browser sounds — with no audio files required. The responsive layout adapts to desktops, tablets, and phones, and it works in Chrome, Firefox, Safari, Edge, and Opera.
Whether you want to host online chess tournaments, teach strategy in an engaging way, or add a standout interactive game to your website, Obsidian Chess delivers a complete 3D chess experience with modern design, real multiplayer, and deep customization.
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