Chess Master

A Go (Igo) game you can enjoy casually right in your browser. Play against the computer on a full 19×19 board, with three difficulty levels to choose from: Beginner, Intermediate, and Advanced. You play Black, the computer plays White. Includes a pass function, game end when both players pass, and score calculation after the game. No database required — everything runs in the browser. Japanese-style design with a responsive layout that keeps the board fully on screen, even on smartphones.

A practice app that lets you play shogi against the computer entirely in your browser. It supports difficulty selection, captured pieces, promotion, game record saving and playback, and position restore, with a board that's easy to play on smartphones for casual practice anytime.

A pixel-art roguelike where you explore an ever-changing tower, collecting keys and equipment as you climb through its floors. Features turn-based combat, puzzle doors, boss battles, local saves, and rankings.

A browser-based maze action game that pairs retro NES-style feel with modern neon visuals. Eat the dots, escape four ghosts, and fight back with power pellets as you clear multiple stages.

An original vertical-scrolling shooter about protecting the bell of the sky. Featuring 6 stages, boss battles, difficulty selection, power-ups, shields, and local rankings — all running entirely in the browser using only the Canvas API and Web Audio API.

From free-form input, a theme, and a difficulty level, a local rule-based generator combines maps, enemies, NPCs, and treasure chests to create a short playable RPG with an SNES-style pixel art UI. No external AI API or API key required.