Space Mercenary Defense Force

About

Space Mercenary Defense Force is a sci-fi action roguelike where you pilot customizable ships to fend off waves of aliens and destroy their central command. Each run lets you pick upgrades, unlock new craft, and stack permanent enhancements to shape your playstyle. Combat blends bullet-dodging shooter mechanics with tactical decisions, as you balance resource management and upgrade choices to survive increasingly chaotic battles. The game stands out by mixing fast-paced arcade combat with deep progression systems. With multiple ship classes and branching upgrade paths, it offers varied strategies for each playthrough. Though short on narrative, its focus on escalating tension and replayability keeps the action fresh across repeated runs.

Storyline

You are the planet's last hope to stop the alien invasion and take down the mother ship!