No ads. Just pure arcade action. Solo Defender is a vertically scrolling space shooter where you take on waves of enemies and mini-bosses to liberate the Janera star system from the ruthless Kalae occupiers. With a single-life challenge and escalating difficulty, each run delivers fast-paced, high-stakes gameplay. Battle across multiple planets, crush enemy fleets, and face off against powerful level bosses. The final showdown? A drone-spawning Mothership packed with the system’s deadliest foes. Uncover secrets by solving the Covert Ops puzzle and unlock a hidden level for an extra challenge. Collect Gems by defeating enemies and completing stages. Spend them in the in-game garage to upgrade your ship with powerful enhancements. Gems persist across playthroughs—but are tied to your chosen difficulty. Features: Fully customizable key bindings Four difficulty modes: Easy, Normal, Hard, Extreme Multiple mini-boss encounters Epic final boss battle Bonus abilities: Multi shot, Invincibility, Repair, and More... Steam Achievements Persistent Gem system for ship upgrades