Ships 3D puts you at the helm of a warship in an open stretch of sea with other ships doing the same thing. You steer, line up broadsides, and try to sink rivals before they sink you, upgrading your vessel with what you earn between rounds.
Naval combat rewards patience in a way most browser action games don't: shells take time to travel, ships turn slowly, and the winner is usually whoever thought about angles a few seconds earlier. It is a change of pace from the twitch games elsewhere in the catalogue.
Lead the target. Shells take time to reach a moving ship, so aim ahead of where it is now — about a ship's length at medium range, further as the distance grows.
You share the water with other ships and fight them in real time; the game runs in the browser with nothing to install and no account needed.
Yes, though it is a 3D game — close other tabs and lower the quality setting on older hardware.