Top similar games like RiftStar Raiders:

Crew a starship with up to three friends. Fly its fighters, man its guns, board enemy ships and rob them blind, and carry each other home. Or throw each other out of the hangar. Friendly fire is on. The feed remembers who did it.

VOID SKIRMISHER is an arcade co-op shooter for up to 8 players: jump the gate before the front line even exists, and face down hostile fleets as the first wave out where nobody's been before.

A co-op adventure about driving your Recreational Vehicle home.

An online co-op adventure where Gnomes must pilot a starship through space to find a cure for their dying home world. Accept missions from the Elder Gnome, avoid danger, and upgrade your ship, weapons, and tools to keep your crew alive.

Embark on a cosmic journey! Choose your role: Pilot, Engineer, First Mate, or Commando. Conquer the stars with intense teamplay, powerful upgrades, and thrilling battles. Take command, repair systems, or unleash chaos. Victory awaits in this immersive space adventure!

Participate in chaotic testing sessions with up to eight players where you'll work together to solve a wide variety of randomized tasks while navigating hindering conditions. Prove to your creators that you're not just functional — you're exceptional.

Strap into a fully 3D starfighter and battle endless alien waves with up to 3 friends. Stack roguelite upgrades, chain class combos, fire your ultimate beam and bring down 11 colossal bosses - or turn your guns on each other in PvP dogfights.

Retro top-down space shooter: hold the mothership through 100 waves, build your fighter from 22 modules and 26 modifiers, earn eight complete ship designs, and fly with up to 4 pilots in Steam co-op through stargate corridors, the asteroid belt and the fog convoy.

A co-op roguelike shooter set on procedurally generated planets. Loot chests, stack items for epic builds, charge the teleporter, and defeat the boss before the planet beats you. Then take the portal to the next planet and do it all again, harder. Play alone or with friends.

Celestial Odyssey is a cooperative 2D arcade game with a short but touching plot, where you will need to repair a space bus falling apart on the fly alone or with a friend while flying between tiny planets. Monitor the fuel level, manage to patch up the holes and break the record!

Mission Cheddar Moon is a co-op space adventure. Manipulate physics objects in zero-g to fly a rocketship, explore the moon, and feed cheese to the sun before it explodes.

1-4 player co-op surgery game where you are aliens assigned to operate on a human. None of you has ever seen a human before. Extract the right organs, brew the right compounds, contain the mutations and DO NOT let the human be reborn aboard the ship.

Physics-driven co-op for one to four players. Take over Ghalyan's Hookah Lounge on a space station and reopen it. Pack the bowl, light the coals, serve the aliens, and watch it all float when the gravity cuts out.

Scavenge a junkyard, weld the scrap into a rocket of questionable structural integrity, and light it. Highest flight wins the shift — the Moon is 384,400 km up and your fuel tank is a rain barrel. 1-4 robots, one shared launch pad, no appeals.

Go Ape Ship! is a frantic co-op multiplayer game for one to eight players. Work with your crew of daring Astrochimps to master an expanding collection of tasks, respond to emergencies, unlock new rooms and upgrades for your spaceship, and safely reach the stars. Survive together. Or not at all.

PICO PARK is a cooperative local/online multiplay action puzzle game for 2-8 players.

A fast-paced zero-gravity movement game where you use grappling hooks and physics-based tools to traverse a chaotic field of space debris with your friends. Swing around and escape before the big scary evil black hole catches up.

ibb & obb is a two player cooperative game set in a puzzle filled world where gravity goes both up and down. You can only succeed by working closely together. Find a friend for some true local co-op couch fun or match up online.

Overcooked returns with a brand-new helping of chaotic cooking action! Journey back to the Onion Kingdom and assemble your team of chefs in classic couch co-op or online play for up to four players. Hold onto your aprons… it’s time to save the world again!

An online co-op puzzle platformer physics game in space! You and your budz suit up and join the experimental astronaut training program. There is no catch. Just survive orbital space stations.. somehow.

Better with friends, up to 3 players. You and your friends must work as a team to craft, load and shoot at enemies before they shoot back.

Space Out Together is a co-op space survival/adventure game where your crew crash-lands in the wrong sector of space. Refuel your ship, keep each other alive, and make it to the portal before everything falls apart. Together..

A co-op game where you play as pirates sailing the skies aboard a flying ship, searching for treasure and growing ever richer. But beware… wealth attracts greed!

One, two, all together. Now KUUKIYOMI with everyone in the world.

Grab your gear, take a contract, and exterminate hostile alien infestations with up to three friends across unpredictable planets full of chaos, danger, and bad workplace conditions.