Top similar games like Stellar Survivor:

Sanctum 2 is the sequel to the world’s first Tower Defense/FPS hybrid game. Pick from four unique character classes and embark on a mission to protect the oxygen-producing Cores from hordes of deadly aliens who are threatened by their existence.

SENTRY is an action-defense first person shooter where you defend your spaceship against a relentless alien threat. Use traps, turrets and environmental destruction to repel invading hordes and engage the enemy in fast-paced FPS action across a dynamic campaign.

A fast paced multiplayer shooter that pits aliens against humans in a strategic and action-packed struggle for survival!

A fast-paced VR arcade shooter, where you fire guns, shoot energy bows, and toss explosive spears to defend your base from an alien infestation. The bugs shoot back, so don't forget to duck!

Guardians of Orion is a Sci-Fi Action RPG Looter Shooter with Dinosaurs and Robots. Complete Mission Objectives all over the Galaxy with your friends to earn new Gear & Rewards!

Play Evolve for free with Evolve Stage 2! Evolve Stage 2 is a next-generation free multiplayer shooter featuring addictive 4v1 gameplay. One player-controlled monster must evade and outsmart a team of four uniquely skilled hunters.

You think Tower Defense games are all about building? You thought wrong. Sanctum is not your average Tower Defense title. When the havoc starts, you get to join the fray! As one of the world’s first First Person Shooter - Tower Defense games, Sanctum has taken the best of both worlds to deliver an epic, one-of-a-kind experience.

Peasants War is the first competitive medieval shooter, created by one-person development studio New Companion.

Eden Star is a fast paced Sci-Fi survival game that blends unique physics based combat, destructible environments and free-form construction with the exploration of a hostile alien world.

WW2 Online is a completely F2P player-driven simulated wargame with a first-person tactical and strategic layer. You’ll fight a global war on a single worldwide server capable of holding thousands of players. Unmatched combined arms gameplay on a massive scale, now with built-in voice comms.

From one of gaming's most iconic sagas, Halo is bigger than ever. Featuring an expansive open-world campaign and a dynamic free to play multiplayer experience. 

Exo TD is a true 3D space Tower Defense. Invaders have scouted your planet as their next target, you must protect it by building destructive turrets, orbital defenses, shields, drones and more to defend against the incoming invasion force.

Gunscape provides easy-to-use tools based on a block-placement interface everybody's already familiar with to create all types of maps. Don't like building stuff? Then just blast your way through hordes of monsters or duel with other players!

Silica is a crossover of FPS and RTS where up to 3 factions battle for control over the planet of Baltarus. Lead from above as commander, or experience the action first-hand, either alone, or with friends. Join one of two human armies, or hunt them down as the territorial aliens.

"Project Down" is a 4-player co-op survival game. Uncover mysteries behind Hex Corporation by exploring the map and be cautious, as your mission area has become highly dangerous post-experiments.

Shoot, blow sh!t up, fly or bark orders in the ultimate Free-to-Play, large scale, multiplayer, shooter experience. Thousands of players in multiple battles fighting one massive war of nations. The first to capture 15 cities takes the glory.

Set in the near future, Earth is becoming uninhabitable. Human Beings send AI-driven robots to your planet, Impulse, to eliminate your species in preparation for their colonization of your planet. Blast your way through hordes of enemy bots to protect your home and prevent the human invasion!

America’s Army: Proving Grounds is the official game of the U.S. Army and part of the highly acclaimed America’s Army game series. This free military game focuses on small unit tactical maneuvers and puts you to the test in a wide variety of new America’s Army maps and AA fan favorites.

Debt-ridden and desperate? Get out of the red and into The Red! Join the Red Horizons on Mars as an Extraction Security Associate and pay off your debts by defending your way to wealth in this ironic first-person-shooter/tower-defensy/existential-horror adventure!

Galaxy in Turmoil's conceptual Early Access game is a FREE multiplayer combined-arms game set in a brand-new universe, created by a team of volunteers. It’s all about endless arms races, corporate espionage, and, most of all, blasting up on the enemy faction and taking their stuff.

Brace yourself for a brand new action-packed Open World. Explore a huge world to gather materials for gear and defenses. Use everything at your disposal to defend your bases and defeat hordes of hostile monsters. Play solo or up to 8-player online!

Midair is a fast-paced jetpack shooter set in a breathtaking new sci-fi universe. Use movement to your advantage, outwit your enemy from every angle, build defenses, and fully customize the way you play. Break the mold of traditional shooters and jetpack your way into a challenging new experience!