Top similar games like Xenoterrestrial:

Mow down the alien hordes, scout for resources and survive. Dreadnought is a mix of Action Tower Defense Survival and Shoot 'Em Up Bullet Hell where you control the ships turrets & defend against waves of enemies. Choose your weapons, upgrade your ship & brace yourself, the horde is coming.

Space Ace is a 2D top-down shooter that focuses on upgrading your ship to fight through levels of Bosses and smaller enemies. Play with keyboard + mouse or Xbox controller.

A casual rogue-lite shooter where you can buy upgrades to improve your run and defeat waves of enemies. Shoot tons of bullets and create different builds while trying to be as accurate as you can to get the best rewards!

Project Sundive is wave-based arena auto-shooter roguelite, focusing on ship customization and ridiculously overpowered builds

Stellar Space is a new take on a classic arcade game with a modern, rogue-like, form for new players to enjoy!

Swarmhunters is a top-down arena action shooter. The war between human and bugs has become worse - Project Swarmhunters emerged at this situation. You play as the best space soldiers in the galaxy and your mission is to strike the hive and hunt down the Emperor, supreme commander of bugs.

Survey planets. Obliterate the locals. Invest in your ship. An action packed rougelite where the engineering crew you hire is either your greatest asset or your worst enemy, sometimes both at the same time. Don't fret, they always mean well.

A fast‑paced symphony of destruction where you are always outnumbered. Survival demands constant motion, sharp evasion, and smart arsenal management.

Kulta is a Top-Down Arena Shooter where you fight off endless swarms of enemy star-fighters. Fight and evade plasma fire! Earn merits to unlock new planets and ships. Survive and escape before you lose it all! Discover unique ships and test out their devastating weapons.

Blast through chaotic dungeons and unleash powerful weapons as you journey through the multiverse in search of a way home. Dodge, loot, and survive against deadly foes, extracting hard-won treasures to repair your ship and make it back!

C6: Frontlines is a bullet hell co-op roguelike where only YOU (and your friends) can bring the Azapall galaxy to peace. Wield 30+ weapons and gadgets of mass destruction to even the playing field, wave after wave, against a seemingly endless onslaught of evil!

Void Prison is a fast paced, endless arcade twin stick shooter that puts you inside of an ever shrinking ring. Survive by fighting emerging enemies around you and don't get consumed by the void. Complete achievements to unlock new skins and powerups and get on top of the leaderboards!

Alpha One is a top-down action, 4X-lite strategy game. Each action level is a turn in a strategic conflict as you race to collect resources, acquire upgrades, expand territory and build defenses. All to find a way home!

Comet Force is a Space Arena Shooter Action Roguelite. Build your camp, recruit to compose and grow your troop, collect upgrades and unique effects, fight enemies and bosses, and choose how the threat evolves. Keep your troop strong enough to survive all waves and close off the anomaly.

a bullet heaven type game inspired by retro shoot'em up games of the 90s. Survive and defeat waves of enemies in an infinite space arena, acquire power ups and defeat the final boss !

Defeat enemies and get parts! Build your own spaceship!

Bullet hell meets auto-shooter in this roguelike color-matcher where RGB itself is your weapon! The Maiden of Light has been captured by the forces of entropy. Six challenging bosses stand in your way and only you can save her!

This is a rogue-like top-down shooter where you control a spaceship that is sent out to explore the caves on the Moon. Once you enter the caves, you find out that there are enemies. It is up to you to survive against them while also trying to find the path down to the next level of the caves.

Join Captain Rijk as he attempts to escape from the clutches of one of the most villainous species in the galaxy. Help to uncover the horrors that are being carried out on the fringes of the civilised galaxy and become the divine being prophesised to inspire an uprising and destroy The Domain.

lone.AI is a space RPG roguelite. With challenging, relentless gameplay, each run has the potential to boost your ship's power, speed, and more. As a lone AI, fight your way through the solar system and uncover the secret behind the ZOSMA, an alien race that holds power over the system.

Blast your way through waves of space debris in order to reach what is waiting for you on the other side. Find your fighting style with multiple unlockable ships in this fast paced space adventure!

2D space shooter and turret defense come together to create the Planetary Defense System this world needs! Shoot down asteroids and aliens and survive the bosses in this arcade like game featuring customizable satellites, projectiles, and upgradable Cannon and Planet Shield systems.

Tear across the desert, obliterating wave after wave with your nuclear missile powered dual-wielding hover tank. A tight, punchy wave survival sandbox with ludicrous weaponry, exhilarating rocket-tank combat, and daily leaderboards!

Magnetar is a top-down space shooter set in a unique physics-based environment packed with opportunities and hazards where you'll need all your skill to survive. Collect credits to upgrade ships and allies. Features 50 campaign levels and endless random levels.

Customize your Gun Bots to fight through 7 unique worlds with different weather conditions that become more challenging as you progress.

Ripper is a top-down shooter with fully destructible environments, fog of war, and Steam multiplayer. Break through walls, survive enemy waves, and battle your friends.

Survive Planet Yubglub is a survival rouge-lite, where Earth Representatives must hurl dodgeballs while evading toxic slime aliens and their lethal projectiles. The Earth Reps. must carefully navigate through the harsh environment of planet Yubglub. Choose your character, and Survive Planet Yubglub!

Starshot is a difficult space shoot-em-up with rogue-like elements and randomly generated levels. Will you be able to upgrade your ship and pilot it to safety, or be destroyed in your search for stardust inside the automated production facility?

Crash-landed on an alien world after your station is overrun, survive ten escalating nights until rescue arrives. Dash through the swarm, collect alien data and material, build new weapons, and take down deadly Bounties in a fast-paced sci-fi bullet heaven.

Halo: Spartan Assault brings the excitement of Halo combat to Steam for the very first time. Battle your way through 30 action-packed missions against the Covenant as you explore the origin of the Spartan Ops program featured in Halo 4. *DirectX feature level 10 required. *

A fast-paced sci-fi space survival shooter where you blast through relentless enemies, upgrade your ship, and climb the global leader-board.

"You're Invading My Space" is a fast paced, space themed, wave survival game where every run is unique. Fight off endless procedurally generated enemy swarms, upgrade and unlock your ships and weapons, and push your limits as this angry galaxy throws everything it has at you.

UFO Blast is a fast-paced space shooter that combines the thrill of classic arcade games with modern, responsive controls and vibrant neon visuals. Easy to pick up, but challenging to master—Are you ready for the ultimate blast?

Destroy the town! Killdozer is an action roguelike where you fight off a police onslaught while bulldozing towns. Unlock items and upgrades along the way to build your Killdozer into the ultimate destruction machine.