Reversi Effect vs Reversi Nexus

Three Exciting Game Modes! [VS CPU] Challenge a tough CPU opponent with five difficulty levels! ▼ How Turn Order is Decided At the start of the game, toss an Othello piece to determine who goes first. Black moves first, and White moves second. [VS 2P] Play a face-to-face match on a single device! [VS ONLINE] Enjoy online battles with randomly matched opponents! Each player has a total of 3 minutes, with a countdown running during their turn. ▼ What happens if you run out of time? A piece will be placed randomly in an available spot! However, from the next move onward, you can still place a piece manually within 3 seconds. *Rating and ranking features coming soon! [About Ads] This app is supported by ad revenue and requires an internet connection. Ads are displayed as follows: - VS CPU, VS 2P Banner ads at the bottom of the screen Full-screen ad every 3 games - VS ONLINE Full-screen ad after every game *Some features may be limited when offline. - Credit - - App production - KIWI BIRD SOFT - Music and Sound effects - *OtoLogic https://otologic.jp/ *効果音ラボ https://soundeffect-lab.info/

Reversi Nexus is a modern take on the classic Reversi (Othello) board game, featuring 15 unique AI challengers — each with their own playing style, strengths, and weaknesses. Learn the game by understanding how different players think. ◆ MEET THE CHALLENGERS ◆ From chaotic Random Randy who plays without a plan, to The Elder who shapes the game with patience and restraint — every opponent offers a different challenge: • Random Randy – Pure chaos, no strategy • The Collector – Chases big flips at any cost • The Turtle – Cautious to a fault • The Gambler – Brilliant or catastrophic, never boring • The Rock – Immovable and disciplined • Opening Scholar – Knows theory cold, struggles when it runs out • Mobility Purist – Hoards moves like treasure • The Positionist – Shapes the board with confidence • Endgame Monster – Comes alive when the board empties • Club Veteran – Experienced and balanced • The Machine – Plays every move with absolute certainty • The Elder – The ultimate challenge ◆ POWERED BY REAL TOURNAMENT DATA ◆ The AI uses a professional opening book built from 135,000+ real championship games dating back to 1977. Combined with a perfect endgame solver, you're facing an opponent that plays authentic, tournament-quality Reversi. ◆ FEATURES ◆ • 15 AI challengers with distinct personalities • Professional opening book from 135k+ tournament games • Perfect endgame solver for flawless final moves • Multiple game modes: vs AI, online multiplayer, local hotseat • 26 languages supported • No account required — just play • No ads, no in-app purchases • Privacy-first: no personal data collected ◆ HOW TO PLAY ◆ 1. Black moves first, then players alternate 2. Place your piece to flank opponent pieces 3. Flanked pieces flip to your color 4. Win by having more pieces when the board fills Whether you're learning Reversi for the first time or looking for a serious challenge, Reversi Nexus has an opponent for you.