Games like Kleptos from Outer Space

Kleptos from Outer Space is a 3D On-Rails Co-op Typing Shooter, set on the GMU campus. One night a pair of best buds at George Mason University get their final capstone papers, which they need to graduate, stolen. As they search for their papers they notice something strange is going on around campus. Aliens have invaded the campus and are gathering objects for unknown reasons. It's up to you and …

A New Space Age! A retro arcade space shooter with more color and mayhem!  Protect the Planetary Defense Shield (PDS) from the onslaught of the alien Klaxxack invasion.  Manage your energy coins for they not only power the PDS, it's also currency for power ups! Balance between keeping your shield powered and buying upgrades to clear the screen of aliens.    Defend, destroy, and win!  …

A co-op first-person action shooter for 1–4 players, where you battle endless waves of demons, undead, and monsters using an arsenal of weapons, magical abilities, and unique perks. Each wave gets crazier. More enemies, tougher enemies, and less time to breathe. You’ll need to adapt fast, build on the fly, and constantly switch up tactics — or be crushed by the chaos of the oncoming darkness. …

Containment Corp, Inc. is a co-op survival horror game for 1 to 4 players where you work together to clear infected zones and trap otherworldly anomalies. Use a variety of tools and weapons to fight back against enemies while completing unique challenges and uncovering secrets in large, varied maps. Solo mode is also available for players who prefer a single-player experience.

"Journey to the Savage Planet" is a shooter game that can be played in single-player or co-op mode for up to 2 players. As a recruit for Kindred Aerospace, you explore the planet ARY-26 to determine its suitability for humans, using tools like a laser pistol and 3D printer to interact with the strange flora and fauna. The game features bonus mysteries to solve and promises a cost-effective space exploration experience.

Deep Space Anomaly is a single-player sci-fi survival game set in a procedurally generated universe. Players must mine asteroids, manage their spaceship, and fight off alien threats to explore the mysterious anomaly. With a focus on crafting, exploration, and strategy, players must balance resource management and combat to survive.

CMYW is a local 1-4 player co-op action game, inspired by classic space shooters, where players must work together to survive as long as possible and earn the highest score. The game offers power-ups, weapon upgrades, and numerous challenging boss enemies, with increasing difficulty over time and based on total score. Features include online leaderboards and full controller support.

In "Aliens Invaded Our Planet" , players must defend Richalley Town in the 1900s from an alien invasion in this CO-OP/Multiplayer FPS game. With 9 character types, 16 weapon types, and 20 unique enemy types, the game offers a variety of challenges and competitive arcade-style gameplay. Power-ups like explosive bullets and super speed add to the excitement, with different game modes, a day/night cycle, and leaderboard rankings adding to the replayability.

In "Night at the Gates of Hell," play as David, a grieving man who faces a zombie outbreak in his seaside city. Inspired by Italian zombie flicks and early Resident Evil games, this first-person survival horror features challenging headshot-based combat against slow, menacing undead, creating a tense and deliberate experience.

Now the game is available on Android! Your massive cruiser has been sucked into a black hole, and now you're stranded in a distant corner of the universe, near a mysterious and unknown planet. But that's not your only problem. This strange and dangerous sector of space is under attack by alien invaders! In Invasion of Space Aliens, you take control of a powerful assault ship, tasked with gatherin…