Line Lancer

Minimalistic strategy autobattler game with goal of capturing islands. Direct your army to conquer opponent’s territory until you’re the last one on the map.

The game is played with just the mouse. Click on the building spots to purchase buildings, or click on the bridge entries to direct your army.
Clicking and dragging pans the camera while scroll wheel zooms in and out.

There's also interactive tutorial and manual available within the game.

The game is free and open source, with all the guts available here.