Games like Space Guardian

"Meltdown is a tactical arcade shooter with both singleplayer and multiplayer options for up to 4 players, local or online. Experience intense action, sci-fi settings, and randomly generated levels as you collect loot, level up, and specialize in Soldier, Specialist, or Medic. With 30 levels, 3 boss battles, and wave-attack arena challenges, Meltdown offers sensational music, delightful visuals, and engaging gameplay."

"Uragun is a single-player Science Fiction Hack and Slash game with stunning visuals. As a Mech unit, you must navigate through a world overrun by corrupted AI, with the goal of finding your missing pilot friend. Levels feature handcrafted design and randomized enemy placement, providing unique challenges in each playthrough, and allowing you to research new skills, mod your Mech and its weapons, and customize your Mech's look."

"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.

Close Order is an arcade shooter with one simple goal: become a badass armada! In this mashup of genres, defeat enemies for parts to build up an armada of ships around you. Fight from a distance, charge headfirst into battle, or create a mix of anything and everything. You decide how to play!

"Ballistic Tanks" is a fast-paced action-packed game that brings the classic tank battles to the modern era. With over 50 maps, 4-player local multiplayer, and multiple game modes including Deathmatch, Juggernaut, Powershift, and Arcade, players can engage in a frenzy of bullets, lasers, and explosions. The challenging solo/co-op arcade mode offers an intense experience, and the game supports 4 controllers and keyboard for maximum enjoyment.

"Stellatum is a shooter game featuring local multi-player for up to 4 players, with options for co-op, PvP, and split screen. As an extraterrestrial race, you'll navigate through space, starting with destroying a threatening comet and uncovering a deeper conflict. The game boasts good graphics, detailed ship customization, and various shooting methods, making for an immersive and action-packed experience."

Riddled Corpses is a challenging 8/16-bit arcade-style game with hordes of pixel art zombies and monsters across 6 unique stages. Choose from 6 playable characters, each with their own shooting style and special ability, as you battle through levels filled with chaotic, fast-paced action. New characters, enemies, and special abilities have been added to the PC version for even more variety and replayability.

"Bit Blaster XL" is a fast-paced, arcade-style score-chaser game where you control a ship that cannot stop moving. Avoid crashing into enemies by turning left and right, and use boost/brake to navigate through an ever-increasing amount of obstacles. Collect ammo and power-ups to survive longer and beat your high score. The game features simple mechanics, re-playability, and extra ships to unlock.

Spingun is a single-player action game with unique two-button mechanics, where you control a spaceship and fight off enemy forces to protect your planet. Blast enemies with your ship’s blaster gun, repair your ship by destroying foes quickly, and collect powerups to launch missiles, plasma balls, and flames. Developer updates every few weeks based on player feedback, ensuring continuous improvements for a better gaming experience.

Tiny Troopers is a thrilling spiritual prequel to the twin-stick shooter, Tiny Troopers: Global Ops. Command a team of small soldiers through 30 deadly missions, facing various objectives and enemies. Upgrade your troopers' abilities and equipment to increase their chances of survival, as the casualty rate is high and fresh recruits are always available.