Aliens · RTS games to play together

12 Aliens · RTS games your group can play together online, including Buggos 2, Silica, and Halo Wars: Definitive Edition.

All games: 12

Buggos 2

You are the Buggo Hivemind. In this low-micro swarm RTS you place spawners, set attack pins and send up to 5,000 bugs into the dirty Humans' walls and turrets. Evolve your swarm across a 45-mission campaign, then take it into Survival, Workshop maps or 4-player online battles.

83% positive of 712 reviewsPlaying now: 57$19.99

Silica

Silica blends FPS and RTS in epic, photorealistic battles. Choose to fight on the ground or command from above as humans or aliens. Dive into thrilling multiplayer combat or master strategic command. Are you ready to survive and conquer?

76% positive of 4,495 reviewsPlaying now: 29$15.99

Halo Wars: Definitive Edition

Halo Wars: Definitive Edition is an enhanced version of the real-time strategy classic, Halo Wars, updated to run natively on PC. Halo Wars: Definitive Edition includes improved graphics, new achievements and all of the DLC created for the landmark real-time strategy game.

92% positive of 8,715 reviewsPlaying now: 234$19.99

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% positive of 848 reviewsPlaying now: 237Free

DG2: Defense Grid 2 Makes Tower Defense a Shared Puzzle

Team up with one friend to defend power cores in DG2: Defense Grid 2. Choose fully cooperative Doubles or the more competitive Coordinated Defense, online or on one computer.

85% positive of 2,711 reviewsPlaying now: 52$9.99

The Red Solstice

2280 A.D. The last few survivors of a ruined Earth seek a new home: Mars, a planet whose inhabitants didn't take too kindly to outsiders. The Red Solstice is a tense, tactical, squad-based action game. Fight to survive with up to 8 players in co-op, or lead your own squad in single-player mode.

71% positive of 884 reviewsPlaying now: 1$9.99

Natural Selection 2

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

85% positive of 8,647 reviewsPlaying now: 142$4.99

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% positive of 402 reviewsPlaying now: 0$14.99

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% positive of 320 reviewsPlaying now: 0$19.99

SQUIDS FROM SPACE

SQUIDS FROM SPACE is an 8v8, team-based PvP top-down shooter where humans and the sinister Squid aliens wage war for the future of the Earth!

86% positive of 237 reviewsPlaying now: 0Free

Stellar Survivor

Stranded on an alien planet, you must defend your Powercore! Use your weapons to fight hordes of alien enemies and strategically use traps in this new FPS tower-defense survival game!

64% positive of 176 reviewsPlaying now: 0Free

Moduwar

Moduwar is an adaptive organic RTS where you control an alien creature, Modu - and your body is your army. Grow new organs, split, merge and mutate them into unique units that adapt to your needs as you fight against human and alien threats in single and multiplayer modes.

88% positive of 137 reviewsPlaying now: 0$14.99