Free Battleship-Style Browser Game
HiddenFleet is a modern, sleek take on the classic Sea Battle and battleship-style board games. Play free directly in your browser with no registration or download needed. Test your naval tactics against computer AI with selectable difficulty, send a quick invite link to play sea battle with a friend on two devices, match with random players worldwide, or conquer the map in Global Campaign mode.
Face intelligent computer opponents at your own pace in solo sea battles. Choose from three difficulty levels: from beginner-friendly drills to advanced hunting algorithms that calculate optimal search patterns. The game is fast and responsive with instant AI turns - no tedious waiting or slow animations. Enjoy a clean, minimalist design crafted for both desktop and mobile screens.
Play sea battles online with real players anywhere, anytime. Create a game and share the private invite link with a friend for a 2-player match, or jump straight into quick matchmaking with random captains around the globe. Live multiplayer duels run smoothly in real time without lag, downloads, or sign-ups.
Tired of simply beating the computer in standalone matches? Jump into the Global Campaign mode. It combines classic Sea Battle rules with turn-based territorial conquest: capture sectors on a strategic 6×6 naval map, strike enemy strongholds, and dominate the entire theater of war while tracking your win rates and shot accuracy.
Game Specifications
Quick Game Rules
Ready to Play?
100% free, no download and no registration required. Hit play and place your fleet.
Start Game