Simulation · Aliens · Singleplayer games to play together

7 Simulation · Aliens · Singleplayer games your group can play together online, including Spacelines from the Far Out, Operation: New Earth, and Pandora: First Contact.

All games: 7

Spacelines from the Far Out

Run your own 60s-inspired space-age alien airlines in this randomly-generated chaotic 1-to-4-player local and online co-op game!

75%75% positive of 462 reviews1Playing now: 1$14.99

Operation: New Earth

Operation: New Earth is an intense sci-fi multiplayer strategy game in which you must command an advanced military facility to defend Earth from a hostile alien invasion. Create an alliance, gather resources, and unlock advanced technology to level up your stronghold!

60%60% positive of 848 reviews237Playing now: 237Free

Pandora: First Contact

Pandora: First Contact is a science fiction 4X turn-based strategy game on a planetary scale. Our Earth has been exhausted and colonial attempts on other planetary bodies have been in vain. Finally, after decades of exploration, an interstellar probe has brought promise of a new world.

61%61% positive of 539 reviews2Playing now: 2$29.99

8-Bit Invaders!

8-Bit Invaders! is a fast-paced, retro Real-Time Strategy game for the PC. Control the military might of the Galactic Marine Corps or Invade with the devastating power of the Cranioids! Mine, Build, and Fight your way to victory! Conquering the Multiverse was never so easy.

82%82% positive of 402 reviews0Playing now: 0$14.99

GRANDMA

Join the battle to save earth from aliens and robots. Choose to play on the side of humans or aliens in battle. 1. Play alongside up to 50 online players 2. Choose various levels 3. Play in various modes such a s capture the king, rush, team deathmatch, conquest.

86%86% positive of 344 reviews0Playing now: 0Free

Road to Eden

Road to Eden is a third-person multiplayer survival coop game, set within the post-apocalyptic ruins of a world destroyed by an alien invasion. You wake up at the side of the road with no memory and must team up with other survivors to make the long and dangerous journey to Eden.

61%61% positive of 341 reviews0Playing now: 0$19.99

Stellar Warfare

Space RTS with base building and ship customization. Personal passion project. More than 200 available ships, weapons and modules to design your fleet with. Contains a small campaign, several single and multiplayer game modes and a coop game mode. Also contains Wave defense!

80%80% positive of 320 reviews0Playing now: 0$19.99