Crim has released El Shaddai: Zero Nine Reversi on Steam for Windows and macOS on November 8, 2026, bringing the previously mobile-exclusive strategy game to PC alongside expanded online multiplayer features. The game is available for $3.59 with a 10% introductory discount through November 15, after which its regular price will be $3.99.
Originally launched for iOS and Android on April 27, 2026, Zero Nine Reversi adapts the traditional board game Reversi with a health-based mechanic. Instead of permanently changing ownership when flipped, each stone loses HP. Once its HP reaches zero, the stone disappears from the board, opening spaces for new moves and changing how players approach territory control.
The Steam release includes two main modes: Classic and Online. Classic offers single-player challenges with five AI difficulty levels, board configurations ranging from a compact 6×6 grid to a cross-shaped 12×12 layout, and special rules that modify matches. Players can also unlock more than 40 stories featuring characters and settings from the El Shaddai universe.
Online mode introduces character-based combat through the BUMP & BURST system. Each character has individual HP, attack power and special abilities. Flipping an opponent’s stone reduces its HP according to the attacking character’s strength, potentially removing multiple pieces and changing the available board positions.
The multiplayer mode features more than 40 playable characters, worldwide matchmaking, persistent rankings and private rooms accessible through invitation codes. Players can compete in standard head-to-head matches or participate in four-player, two-versus-two team battles. The online ranking system is shared across supported platforms.
Offline multiplayer is also supported, including local two-player matches, CPU opponents and team battles. Players can select 8×8, 10×10 or 12×12 boards for these matches. An Archive feature allows players to spend Gold earned through battles on additional characters, titles, visual effects and backgrounds.
The PC version supports keyboard and mouse controls, including keyboard-based board navigation and mouse-hover previews. Seven interface languages are available: English, Japanese, Simplified Chinese, Traditional Chinese, French, Italian and Brazilian Portuguese.
The existing iOS and Android editions have also received an update alongside the Steam launch, adding online multiplayer functionality and the Archive system. Players who previously experienced Zero Nine Reversi as a mobile strategy title can now access its expanded competitive features without moving to the PC version.
