3D · Aliens games to play together

38 3D · Aliens games your group can play together online, including Spaceland: Sci-Fi Indie Tactics, GRANDMA, and Mist Slayer.

All games: 14

Spaceland: Sci-Fi Indie Tactics

Incredibly dynamic turn-based strategy, reviving the traditions of the old school tactics. Lead a team of the most desperate fighters, destroy alien monsters and uncover the secrets of the lost planet.

74% positive of 359 reviewsPlaying now: 0$19.99

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% positive of 344 reviewsPlaying now: 0Free

Mist Slayer

Mist Slayer is an action Roguelite game. You are a time traveling hero, called to aid in a mystical war, and armed with unique weapons and skills. Face down amazing enemies in parallel universes, collecting various power-ups, and exploring as you go. Play alone or team up with friends.

63% positive of 305 reviewsPlaying now: 0$7.99

KallaX

Kallax is a chaotic furniture-building 2 to 6 players co-op game in which only one player can read the instruction manual at a time. Experience what should have been a one person's job and lose friendships forever.

84% positive of 278 reviewsPlaying now: 0$9.99

Codex of Victory

In this sci-fi turn-based strategy with real-time base-building elements, you’ll be defending human territories against the transhuman Augments. Expand your HQ, and manufacture and upgrade an army of advanced drones to wage interplanetary war for Humanity!

68% positive of 260 reviewsPlaying now: 0$14.99

Spellwake

Spellwake is an online 3D Action RPG where Anything Goes. It features fast-paced hack n' slash against hordes of monsters and powerful bosses. Spellwake's vast class system allows you to make nearly infinite variations of builds.

86% positive of 251 reviewsPlaying now: 0Free

G-Darius HD

You will see the creation of new lives... Capture enemies and fire them back at their allies as enormous beams of energy in this horizontally scrolling shooting game, featuring 5 versions of G-Darius with new features, enhancements, and Steam exclusive extras!

93% positive of 162 reviewsPlaying now: 0$29.99

Space Quest: 2099

BLAST YOUR WAY through the UK's forgotten favourite space adventure: Space Quest 2099!Enjoy combat and movement based on the designs of the Quake 3 engine. Go alone or team up and shoot baddies in cooperative episodes with FULL MOTION VIDEO with SPECIAL EFFECTS!

90% positive of 155 reviewsPlaying now: 0Free

Astrumis - Survive Together

Astrumis - Survive Together is an exclusively co-op horror game. One player controls a survivor on an abandoned spaceship and the other the ship itself. They must work together to survive against the mysterious monster.

71% positive of 142 reviewsPlaying now: 0$4.89

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

Last Whisper

Last Whisper Survival is a cooperative zombie survival game where exploration of the open world is key. As you venture further, you'll need to upgrade your gear and level up your character and skill tree to handle the increasing challenges as you move through the world.

60% positive of 123 reviewsPlaying now: 0$2.33

Burger Bots Inc.

An online co-op burger flipping game with scary and strange customers that you shouldn't anger.

90% positive of 109 reviewsPlaying now: 0$7.99

Rift Loopers

Survive the horrors of the multiverse, alone or with your comrades, as you battle against an onslaught of insectoid like creatures. Combine abilities in different ways each loop to overcome and return safely to your universe.

71% positive of 104 reviewsPlaying now: 0$4.99

Mauled

Mauled is a Free-To-Play indie TPS by a solo developer. Fight relentless hordes alone or in online Co-op across varied maps. Collect tiered weapons, trigger tactical traps, and upgrade your character's stats as the difficulty rises round after round. Survival is your only goal.

71% positive of 102 reviewsPlaying now: 0Free