Games like Shotgun Puss from Outer Space

"Genome Guardian" is a free-to-play prologue of a complex shooter game set in a bioluminescent alien world. Players must research upgrades, navigate 8 game modes, and pair DNA nucleotides to create hybrid bioweapons. The game features 49 unique turrets, 96 perks, 72 turret & weapon mods, and 32 mutations to alter gameplay, providing a high level of customization and replayability.

In Knights Within, humanity battles to survive against dominant wraiths using advanced technology and powerful gear. Players undertake procedurally generated missions, facing escalating challenges with randomized modifiers that keep each run unique. Customize your class and team up with friends to fend off relentless enemy hordes and protect mankind.

"Last Group Out" is a multiplayer survival game set in a post-apocalyptic world. Players must work together to scavenge for resources, craft tools, and build shelters while fighting off hostile mutants and other players. The goal is to be the last group surviving in a harsh and unforgiving environment.

"Unloved" is a horror shooter game with fast-paced, old-school gameplay and modern co-op features, allowing 2-4 players to team up in a procedurally generated underground world filled with deadly monsters. The game boasts good graphics, a spectacular soundtrack, and compelling replayability, but can be grindy and buggy. Its atmosphere is masterfully unsettling, with the goal being to survive the nightmarish, ever-changing basement levels.

"Dungeon Defenders" is a Historical Role Playing game that combines Tower Defense and Action-RPG elements, where up to 4 players can cooperatively save the land of Etheria from an Ancient Evil, either online or in local split-screen. Customize your character, forge equipment, and collect loot while fighting off enemies and plan strategies with friends. Additionally, PvP Deathmatch is available for competitive play.

"Aliens: Fireteam is a third-person survival shooter set in the Aliens universe, where players battle through four campaigns with up to two additional players or AI. The 'Into the Hive Edition' includes a new campaign and the 'Ultimate Edition' offers additional DLCs, weapons, and the full suite of Endeavor Pass cosmetic DLCs. Build your fireteam and explore the mysterious planet LV-895."

"Black Ice" is a hacking-themed, first-person shooter game set in a sprawling, procedurally generated cyberpunk city. Players must infiltrate facilities, battle security systems, and upgrade their own cyberdeck to become the most notorious hacker. With permanent death and randomly generated loot, each playthrough is a unique challenge.

Deadly Days: Roadtrip is a 2.5D pixel zombie apocalypse adventure where each journey offers a unique, procedurally generated experience. Players scavenge and strategically pack overpowered weapons and items into a limited backpack space, combining their effects for maximum zombie-slaying power. Progress through stops, discover new characters, and seek legendary combos to conquer the final boss.

Meta Ghost: Breaking Show is a fast-paced 3D roguelite hack-and-slash set in a cyberpunk city where players battle cybernetically enhanced machines. As a “breaker” competing in a live broadcasted event, you must defeat enemies with stylish combat to please sponsors and viewers. Unravel the mysteries of “the soul” while mastering thrilling, high-energy fights.

Cloudheim is an open-world action game featuring fast-paced, combo-driven combat in a destructible, colorful fantasy realm. Play solo or team up with up to three players online to unleash powerful abilities, craft evolving weapons, and explore shifting dungeons from your flying turtle base. Expect masterful mechanics, stellar music, and plenty of grinding—with a few bugs along the way.