Games like Rainbow Nebula

"Xenoraid: The First Space War" is a challenging vertically scrolling shoot'em up game with advanced shooting mechanics and AI-driven enemies for dynamic combat. You control a squadron of four fighters, each with unique weapons, and must switch between them strategically to survive. The game features over 40 missions, including intense boss fights, with procedurally generated elements for replayability. Fight against alien threats in mankind's first space war.

"XenoRaptor is a Science Fiction Shooter game where players control cyberdragons, annihilating enemies in high-speed, skill-based action. The game features 2-player local co-op and up to 8-player online multiplayer. Design your own weapons and engage in strategic combat against cunning AI enemies, with the ultimate challenge of taking down massive bosses."

"Heckabomb" is a single-player Science Fiction Shooter game for Windows, with support for both controller and mouse+keys play. The game features a circular arena with varied levels, upgradeable stats, six additional weapons, and numerous enemies, including boss warships and an alien ace pilot. With a spectacular arcade soundtrack, the game offers campaign, survival, and hardcore modes, as well as online hiscores. You play as the Heckabomber, the only surviving weapon after your home planet's destruction by aliens.

Invadersplay descripcion  The galaxy is no longer silent. A hostile echo reverberates from the void, and with it, an endless horde of alien ships descends upon our system. You are humanity's last hope, a lone pilot at the helm of the most advanced starfighter ever built. Your mission is not to negotiate—it is to survive. Invaders is a passionate tribute to the classic arcade shooters of the 80s,…

Space Ants – Game Description  Space Antsis a fast-paced survival & tower-defence hybrid where a lone space ant fights to protect its colony from endless waves of alien bugs, creatures and incoming asteroids. The goal is simple: survive for 10 minutes, upgrade your gear, and try to stand against the massive end-game meteor.  The game is easy to pick up but satisfying to master. You control only …

You are earth's last hero - defend civilization from annihilation.Protect the cities, destroy the aliens and upgrade your fighter. Drive back the vile invading scum and save mankind in this frantic twin-stick shooter!

Dodge rocket is a fun survival shooter where you need to control a rocket through space, evading and destroying alien spaceships while your mission is to survive to get the highest score possibleDodge rocket has you play as a literal rocket, that can shoot rockets! The rocket will guide towards your mouse cursor and so will aiming for rockets you fire so controlling the rocket is abit tricky!Every…

Take command of the ultimate weapon and defend mankind in AEGIS 2186. Protect Earth from an overwhelming alien assault in this intense retro arcade survival-shooter.

No Way Home is a fast-paced twin-stick shooter adventure set in a dangerous, distant part of the universe. Players engage in chaotic firefights, tactically using cover and timing to outgun mercenary enemies while looting weapons and ship parts. Explore a sprawling starmap with procedural generation and hand-crafted encounters in a classic adventure format.

"Utopia Must Fall" is a vector-style base defense arcade shooter with rapid progression and procedural attack waves. Players must defend the city's turret and choose upgrades wisely from a sizable tree, with options ranging from beefing up weapons to strengthening shields and deploying automated turrets. The game is easy to learn, with automatic firing, and offers fast-paced progression to suit various playstyles.