Games like Stellar Outbreak

Vanguard Knights is a high octane, 3D, arcade-style shooter. Engage waves of enemy squadrons, massive robotic bosses, and weave through obstacles in order to destroy the enemy and keep your squad alive.

Endoparasitic is a single-player Horror Shooter game set in a lab, where you must survive as a partially devoured subject, preventing a parasite from consuming your body. The game features a fantastic story, gameplay, visuals, and soundtrack, with plenty of humor and grinding, despite some bugs. The atmosphere is dense, and it was made for Ludum Dare 48, with the objective of escaping the lab while infected.

"Let Them Come" is a pixel-style survival shooter where you play as mercenary Rock Guner, tasked with eliminating alien hordes on a spaceship. Upgrade and customize your arsenal, utilizing FRENZY mode for maximum damage, as you face an onslaught of diverse enemies and boss creatures. Competitive players can climb online leaderboards and unlock new mixtapes as rewards for their shooter prowess.

"Starr Mazer: DSP is a single-player Science Fiction Action game with outstanding gameplay, awesome graphics, and a wonderful soundtrack. In this side-scrolling shoot'em up, you control a squadron of pilots with diverse skills and weapons, battling through nine intense levels to take down the G'ell Super Ship. The roguelike twist on the lives/continues system, combined with the ever-evolving SK:ORE system, ensures that the fight never ends."

In Shoot 1UP, players control a fleet of ships instead of a single one, with each 1UP collected adding to the armada immediately. The game features up to 30 ships on-screen at once, and weapons upgrade as more ships are collected. Local co-op play allows for up to 60 simultaneous player ships, and sacrificial bombs become more powerful with more ships. The game offers a challenging yet enjoyable manic shooting experience.

Hidden Deep is a 2D sci-fi thriller game set in a sub oceanic mining and research facility, where you lead a team to discover what happened to the previous researchers who went missing. Utilize specialized equipment, give orders to your team, and defend against horrific alien life forms and other unknown dangers. The game features multiple game modes, including a single-player option.

"LUFTRAUSERS" is a single-player arcade game with awesome gameplay, ingenious graphics, and a perfect soundtrack. Customize your Rauser with over 125 deadly combinations, and take to the skies for epic battles against enemy planes and ships. With hilarious moments, lots of grinding, and high replayability, this game will keep you entertained for hours. Be aware of some bugs, but they don't detract from the overall experience.

RIVE is a fast-paced, explosive joyride featuring non-stop shooting and platforming action. As a spunky spaceship pilot, you'll wreck, hack, die, and retry your way through battles with enemies and massive bosses. Master the game's unique blend of combat and exploration, and uncover the mysteries of a decaying ship filled with malfunctioning machines.

"Zombie Frontier" is a shooter game with a good plot, impressive visuals, and a hilarious tone. It boasts solid game mechanics and a wonderful soundtrack, but is marred by frequent advertisements and bugs. The game invites players to "experience the sensation of firing wildly!" as they take on hordes of the undead.

In "Pathogen X," play as BRCI special agent Aiden Clark, facing terrifying mutations in an underground lab to prevent a biological threat. Special Agent Maya Ackerman assists via satellite, helping you solve problems and survive the horror-filled, weapon-rich environment. Confront mutants, retrieve Pathogen X, and secure the lab before it's too late. * Atmospheric first-person survival horror game * Fight mutations and solve problems with Agent Ackerman's guidance * Utilize weapons in an underground lab teeming with danger