Each turn: hits chain — every successful hit lets you fire again. Miss and you can optionally move one ship by 1 cell.
Hot/Cold: bombs that miss reveal proximity — Burning / Warm / Cold / Freezing.
Sonar Ping: no damage, returns distance tier + compass direction to nearest ship.
Torpedo: fires across a row or column, hits the first ship in its path.
Recon Plane: reveals a 3×3 grid as occupied/empty (no damage).
Missile Barrage: 3-cell line damage, no info.
Bombed zones: any cell that was bombed can't have a ship moved into it for 4 of your turns.
Cooldowns: Sonar every 2 own turns, Torpedo every 3, Recon every 4, Barrage every 5.
Waiting for opponent…
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Place Your Fleet
Tap a ship, then tap a cell to place it. Use ↻ Rotate (or right-click / press R / long-press a cell) to flip horizontal/vertical. Tap a placed ship to pick it up.