井字棋pro vs GridXO

xo is a Tic-Tac-Toe strategy game app that supports multiple board sizes. Users can play against the computer on 3×3, 4×4, and 5×5 boards, experiencing strategic thinking and logical deduction through different difficulty levels. The app offers theme customization, multi-language support, and basic gameplay assistance features, suitable for casual entertainment and brain training. 【Core Features】 **Player vs. Computer Mode** Play against the built-in AI with two difficulty levels—Easy and Hard—to meet the strategic needs of users with different skill levels. **Multiple Board Sizes** Choose from 3×3, 4×4, and 5×5 boards, expanding traditional Tic-Tac-Toe gameplay to increase variety and strategic depth. **Game Assistance Features** - Timer showing current game duration - Undo last move - Restart current game with one tap - Victory animation with flashing effect - Sound and haptic feedback settings **Theme Customization** - Switch between Dark and Light modes - Wood-grain board theme - Multiple piece styles: Classic, Neon, Retro, Minimalist, Cartoon **Multi-language Support** Switch between Chinese and English interfaces for the convenience of users with different language preferences. 【Target Audience】 - Users who enjoy Tic-Tac-Toe and board-based puzzle games - Individuals looking to practice strategy and logical thinking - Users seeking a casual, lightweight game for entertainment 【Usage Scenarios】 - Short entertainment during commutes - Passing time during waiting periods - Practicing strategy against AI - Daily relaxation and mental exercise

GridXO is a clean, fast tic tac toe game where every match is a full board of strategy. Play the classic 3x3, or size up to 4x4, 5x5 and 6x6 grids where you need a whole line to win. Pass the phone to a friend for local 2 player matches, or take on an AI opponent with five difficulty levels from Easy to Expert. No account, no timers, no internet needed. FOUR GRID SIZES SMALL 3x3, MEDIUM 4x4, LARGE 5x5 and HUGE 6x6. The bigger the grid, the longer the line you need: 3, 4, 5 or 6 marks in a row, across, down or diagonally. PLAY WITH A FRIEND Two players, one device. Pass and play noughts and crosses with X and O, with a running score kept between rounds. FIVE AI LEVELS Easy plays loose and forgiving. Normal blocks your obvious wins. Medium spots forks and open threes. Hard searches deep. Expert plays close to perfect, so beat it if you can. LARGE MAP: 5 IN A ROW On the 5 in a row and 6 in a row modes you can switch to a big pannable board and hunt your line across a much wider grid, gomoku style. BUILT TO BE SIMPLE Tap a cell to place your mark. Undo takes back a move mid round. One tap starts the next round. Sound and vibration can be turned off any time. PLAY ANYWHERE OFFLINE No sign up, no wifi, no waiting. GridXO works on a plane, on the bus, or anywhere you have a spare minute. If you like tic tac toe, noughts and crosses, gomoku or quick two player board games, GridXO is your next match. X goes first. Line them up.