Go AI (KataGo)
Powerful Go AI powered by KataGo engine. Features real-time analysis, win-rate prediction, and multiple levels.
AI Chess
Online chess game with Stockfish WASM engine, supporting multiple difficulty levels and position analysis
Xiangqi AI
Traditional Chinese Chess (Xiangqi) against intelligent AI
Gomoku AI
Play Gomoku against AI with various difficulty levels, runs locally in browser
Othello AI
Play Othello against AI, test your strategy with this classic board game
Checkers AI
Play Checkers against AI, test your strategy with this classic game
Backgammon AI (GNU)
Powerful Backgammon AI powered by GNU Backgammon WASM engine with world-class neural network evaluation
Typing Speed Test
Professional online typing practice and speed test tool. Supports English/Chinese, multiple modes, and real-time accuracy statistics.