TideWars

Real-time tower defense on the open sea — defend your island, plunder theirs.

Your harbor appears in the list on the home page — anyone can drop anchor to join, and watch it live once the storm begins.

One click — your harbor rises. No account, no download.

Choose your course — mode, difficulty, private

132 battles fought on the open sea.

Open harbors

No crews at sea yet — raise the first harbor and share the code.

Join with a room code

Got a code from a friend? Drop anchor here.

Kampfinsel — persistent island world from the same universe.

From the same universe

Kampfinsel is a persistent island world of slow, long-haul voyages. TideWars is its own game — short, self-contained matches with their own progress, and no persistent world to keep.

Kampfinsel — the persistent island world