Games like Space Hero - Alpha Centuri

"Megaton Rainfall" is a first-person superhero game with fast-paced aerial combat. As a nearly invulnerable superhuman, players must stop an alien invasion while saving cities from catastrophic destruction. The game features a unique "pentadimensional" scaling system, allowing players to seamlessly transition from street-level battles to interplanetary fights.

"Iron Sky: Invasion" is a single-player Historic Real Time Strategy game with excellent game mechanics and stunning visuals, set during the movie's main conflict. As a pilot of a prototype spaceship, defend Earth from the Nazis' space armada in thrilling dogfights, with good music and humor to boot. The ultimate goal is to protect humanity from falling under the Nazi yoke.

In SOL Exodus, players take on the role of a pilot fighting in a war for humanity's survival against a powerful alien race. The game features fast-paced space combat with various ships and weapons to use. The story-driven campaign takes players through intense battles and epic space battlescapes.

"Saviors" is a shooter game with both single-player and local 2-player co-op modes, offering a thrilling bullet hell experience. Players can customize their ships and battle through 18 levels in a fight for humanity's survival against aliens. With a full 3D engine, this game boasts compelling music, online leaderboards, downloadable replays, and 100 Steam achievements.

"Cosmic Dust & Rust" is a 2D sci-fi shooter game with retro-style pixel graphics. Explore the cosmos, battle alien enemies, and upgrade your ship while navigating through challenging levels. The game features procedurally generated content, providing a unique experience for each playthrough.

Classic Arcade Galaxy shooting game!

"Zigfrak is a single-player Sci-Fi Role Playing Game with beautiful gameplay, pretty visuals, and beautiful music. Engage in fast-paced space battles, complete hundreds of humorous missions, and craft weapons and ammo upgrades. The game offers an open environment with tooth-grinding enemy encounters and ludicrous space loot, all while poking fun at a dark civil war and alien invasion."

Captain Starshot is a rogue-like dungeon crawler (with a twist) in which you play as the mighty Captain himself! You explore the galaxy with your own space crew and start your mission to defeat the hordes of villainous aliens, find their mother ship and take on their leader.

Cannon Brawl is a real-time strategy game with artillery physics. Players build and customize their arsenal of cannons and units while managing resources and competing in strategic battles. The game features a single-player campaign and multiplayer modes, with destructible terrain and a variety of upgrades providing a dynamic and engaging experience.

"Behold the Kickmen" is a satirical soccer game that parodies sports simulations. Instead of traditional soccer rules, this game offers an exaggerated and humorous take on the sport, with quirky mechanics and unique gameplay elements. The objective is to score goals, but players can also enjoy the absurdity of the experience, filled with odd physics and funny commentary.