Top similar games like Astra:

In the future, humans conquered the stars and colonized other planets. In the bowels of the icy planet, scientists have discovered a natural and safe source of energy. But at the same time, they awakened an ancient alien life form. There is a conflict on the planet. Volunteers come to the rescue.

A sci-fi VR gallery shooter where you and your mech battle through hostile alien territory. Upgrade your drone choosing between human‑engineered firepower or drone‑targeting tech. Strengthen your arsenal with remote recon runs and mech repairs as you push deeper into the planet’s contested frontier.

The player takes the role of the last soldier of the highly specialized "Gastro Force", elite troopers trained to infiltrate the enormous alien guts to fight them from the inside!

This HEART-POUNDING WAVE-BASED ARENA SHOOTER catapults you into an alien-infested space station. SHOOT, SHRED, and SURVIVE as you crush enemy hordes, dodge chaos, and challenge yourself to set a new record. The battle escalates with every second—GET IN THERE and FIGHT!

Universe 51: Tannhäuser Wars is a free-to-play fast-paced multiplayer FPS, taking inspiration from games like DOOM and Quake. In Tannhäuser Wars, two unfamiliar groups are mysteriously teleported to the same location. Since communication between them is impossible or undesirable, they clash!

Fight other players in this fast-paced arena! Grapple across dynamic maps with shifting gravitational forces, blasting foes into black holes or the cold void of space. Master a diverse arsenal and dominate the competition with skill and cunning.

Robots n Lasers is my first Project to be published. It is a shooter based on fast reactions, aim and a little bit of patience.

War Robots VR: The Skirmish is a short, but highly immersive teaser-shooter for Oculus Rift and HTC Vive set in the universe of the War Robots franchise.

Starship Troopers: Extermination is a 16-player co-op FPS that puts you on the far-off frontlines of an all-out battle against the Bugs! Squad up, grab your rifle, and do your part as an elite Deep Space Vanguard Trooper to take back planets from the Arachnid threat!

“Death-defying tennis with robots and laser guns!” Virtual Ricochet is built from the ground up as a fusion of the best of VR shooters and tennis-style mechanics in a retro-futuristic synthwave arena - IN SPACE!

Metal: Orbital Arena is a high octane first-person arena shooter. Use a variety of weapons, grenades, abilities, and powerups to claim victory in the arena. This game was made by Group 2 of UCSD's 2026 CSE 125 class in just 10 weeks. As such, it may contain bugs or unpolished elements. 

RAZE 2070: Sci-fi FPS shooter. Stunning graphics. Arm yourself, face relentless waves of murderous robots. Hold the line! Unlock Steam achievements, reach the highest score!

War In Other Space, Role-playing game, first-person shooter, there are 15 maps in the game, smart enemies with artificial intelligence, cool Science Fiction Weapons and all this in other Space

Daemon is an action-packed first-person shooter with expressive and customizable gameplay that can be built for tactical assistance, controlling space, or dealing oppressive damage. Combine a wide variety of weapons and abilities to out-strategize your opponents and claim victory.

Save your species as you engage in fast-paced mechanized combat in the single-player campaign containing 50 adrenaline-pounding missions and arm your Planet Runner with blazing firepower - over 25 armaments, including gatling guns, guided missiles, fuel-air mortars and plasma cannons.

Play a space cowboy as he travels to an alien-filled arena, traversing the various game rooms to achieve the highest possible score and challenge the ultimate Dust and Aliens enemy!

An arena shooter with a card game twist in which combatants compete using Major Arcana tarot cards. Celestials manifest in a metaphysical realm for a combat ritual that results in divinity... or death. Vanquish your foes to achieve apotheosis and the coveted prize of securing your fate.

Friendly Fire Arena is a free-to-play 1v1 arena FPS that features parkour, combat and vertical mobility with intense gunplay. Enter the simulation as Sam or Vince and get ready to fight to the death, but don’t worry, no ones really harmed, after all… It's just Friendly Fire.

OMFG: One Million Fatal Guns kicks back into action in this fast-paced, over-the-top, roguelike, first person shooter. Shoot your way through a robot-hijacked space station, collecting more and more powerful guns as you go. There are over 30 million differently named guns at your disposal!

First-person mod of the Unreal Engine Lyra starter project

[Test Subject Name] is an FPS Platformer that sees you descend through layers of test chambers, fighting multitudes of robots along the way, using weapons taken from enemies, and coming in contact with intelligent machines that want you dead.

AlienCity is a fast-paced, wave-based FPS where you fight through a dark, stylized city overrun by alien creatures. Survive, score high, and push your limits against relentless enemy swarms.

From the team that brought you Aleph One, the classic sci-fi FPS Marathon 2: Durandal from Bungie on Mac revived for modern hardware by the fan community.

Resist extinction in this endless survival wave-based sci-fi shooter. Upgrade your weapons and harness far-future technology to survive as long as possible from a God-like alien race that threatens all of humanity.

From the team that brought you Aleph One, the classic sci-fi FPS Marathon from Bungie on Mac revived for modern hardware by the fan community.

From the team that brought you Aleph One, the classic sci-fi FPS Marathon Infinity from Bungie on Mac revived for modern hardware by the fan community.

Blightspire is a fast-paced, wave-based survival shooter. Battle through a cursed graveyard as undead abominations rise in endless waves. With only your reflexes and firepower, survive the darkness in a world where death is never the end.

The groundbreaking free-to-play, 4v4v4 competitive tactical first-person shooter. Choose your class, utilize an array of gadgets, dominate the game or play the other teams against each other.

EVOLUTION. TAKES. FLIGHT. Become a dinosaur and blast away your enemies with high-tech blaster cannons! Engage in multiplayer PvP aerial combat using rocket thrusters to fly. Outmaneuver and outwit your velociraptor rivals in intense, fast-paced battles.

Rogue Planet is a roguelite first-person shooter set on Earth, which has been destroyed by a cybernetic crisis. Build your character using unique items, weapons, and active skills to defeat all enemies

GunBoxing is a free-to-play, fast-paced multiplayer shooter with a heavy focus on fighting game mechanics like melee combos/air juggles, parries, ducking and sidestepping attacks to punish, meter for super attacks, etc. combining long range shooting combat with crazy close range melee combat.