Can opponents peek at my ship positions in browser network traffic?
Never — enemy fleet coordinates, mines, and shields stay strictly isolated on the server until revealed by valid hits or radar scans.
battleship
Powerup Battleship supercharges classic naval combat: arrange your ships (press R to rotate instantly!), draft a 3-powerup tactical kit before battle, watch out for sea modifiers, and sink the enemy fleet!
2–16 players
5–15 min
100% free in browser
no signup · no download
how to play battleship online
- hide your five ships on an 8×8 sea grid and draft three tactical powerups from the shop before battle starts.
- take turns firing shells or unleashing radar scans, row/column torpedoes, air strikes, cluster bombs, double shots and energy shields.
- floating supply crates grant bonus powerups & extra shots, and sea modifiers add mines or hit-streak salvos.
- sink all five rival ships to win your match and climb the knockout bracket!
quick tip: Pair Radar Sweep with Torpedo or Cluster Strike to turn pinned ship sightings into devastating multi-tile salvos!
customizable lobby settings
sea mode
customizable in lobby
turn timer
customizable in lobby
frequently asked questions
How do you rotate ships during setup?
Press the R key on your keyboard or tap the Rotate button — your ship preview flips live right under your cursor!
Can groups larger than 2 play Powerup Battleship?
Yes! Groups of 3 to 16 automatically battle through a knockout tournament bracket with live spectator view on finished and active matches.