Games like Spaceguard 80

"Enemy Mind" is a side-scrolling space shooter for PC with a classic 8-bit art style and 8 levels of challenge across 70 waves. As a being of pure psychic energy, you can take over and control any of the 20+ unique ships you encounter, each with their own power and ability. The game features an adaptive story system that changes with your play style and offers multi-player co-op for up to four players. The soundtrack is an original chiptune-inspired creation by Rainbow Kitten.

"Distant Space" is a 2D pixel art real-time strategy game set in the vastness of space. As the captain of a space fleet, players must manage resources, build and upgrade ships, and engage in tactical battles against alien threats. The game offers a procedurally generated galaxy, providing unique challenges and opportunities in each playthrough. Exploration, diplomacy, and combat are key elements of this engaging space exploration experience.

"BioGun is a single-player Science Fiction Shooter game with an interesting plot, masterful visuals, and spectacular music. As Bek, you must save the canine species from the Dooper Virus by aiding your dog's immune system, absorbing new powers, and exploring vital organs. Experience fast-paced side-scrolling action with an impressive array of weapons and unique boss battles."

"Insanely Twisted Shadow Planet" is a 2D action-adventure shooter game set in a unique fantasy world. Players can choose to embark on a single-player journey or team up with a friend in multiplayer co-op mode. As they explore alien environments and battle strange creatures, they can solve puzzles and upgrade their ship with advanced technology to save their home world. The goal is to reach the center of the mysterious Shadow Planet.

"Cyberhunt" is a single-player action game with old-school arcade aesthetics and procedurally generated levels. With 500 missions, multiple enemies, weapons, and power-ups, players can aim to reach the top of the Steam leaderboards or collect achievements. The game boasts awesome pixel art graphics, original tracks, and cloud support, offering around 2 hours of replayable gameplay.

"Monolith" is a top-down action shooter with procedurally generated levels, where you explore an abandoned facility and battle dangerous enemies to gain new weapons and upgrades. The demo features the first three floors of the game, with a wide variety of enemies, weapons, and upgrades. The game requires DirectX 9 to run and can be purchased on Steam or Itch.io.

Galactic Glitch is a twin-stick roguelike shooter featuring physics-based combat where you manipulate the battlefield with a gravity gun. Sling asteroids, deflect enemy rockets, and launch foes into each other while exploring hostile space, unlocking new abilities, and discovering secrets. Smart strategy and build crafting are key to overcoming permadeath challenges.

Big Helmet Heroes is a cinematic 3D beat'em up adventure featuring adorable knights on a quest through fantastical realms. Players can choose from four distinct combat styles, wielding whimsical weapons and using the environment strategically. Enjoy thrilling battles solo or in two-player co-op while rescuing the princess and uncovering greater challenges.

"Monolithic Christmas Night" is a fangame of Five Nights at Freddy's and Star of Providence, with a unique twist of typing on a Writing Module to complete nights. The game features 5 nights with cutscenes and bullet-hell boss fights, as well as custom night mode and other gamemodes. Players must type quickly to survive as a gang of 12 crooks attempts to get them. Controls are available for both mouse and keyboard.

"Xeodrifter" is a single-player Science Fiction Platformer game with fantastic mechanics, fabulous graphics, and masterful music. As an interstellar drifter, explore a cluster of four planets to repair your warp core, battling alien guards and uncovering secrets in this exciting journey of mystery and adventure. The Special Edition Now Available includes a developer diary and acclaimed soundtrack.