Action · 2D · Space games to play together

71 Action · 2D · Space games your group can play together online, including Starlathe, Space Defender: Frontier Squadron, and Mega Man Star Force Legacy Collection.

All games: 24

Starlathe

Command your ship and fleet in a galaxy that truly lives: 150 sectors where six factions mine, haul, trade, build and wage war whether you're there or not. Trade it, rob it, defend it — or forge your own fleet and carve out your place in it. Play solo or in online co-op.

88% positive of 150 reviewsPlaying now: 90$14.99

Space Defender: Frontier Squadron

A top-down space shooter with deep RPG progression. Fly a voiced story in four acts, from a war across three galaxies to the gravity wells of Kepler, lead your wingmen, hunt pirate captains and hold a collapsing front. Solo, or with a friend on the second controller.

98% positive of 125 reviewsPlaying now: 13$6.99

Mega Man Star Force Legacy Collection

The Mega Man Star Force series, which expanded into an anime, is back in the Mega Man Star Force Legacy Collection! This collection includes seven games and additional features like a gallery of illustrations and music! Online play is also supported!

95% positive of 671 reviewsPlaying now: 42$29.99

Planet Killer

A physics-driven sci-fi destruction roguelite. Orbit hostile worlds, unleash devastating weapons, and carve real craters into fully simulated planets while escalating planetary defenses fight back.

83% positive of 136 reviewsPlaying now: 20$12.99

Space Station: Beyond

Play as a variety of creatures or characters and try to survive either maintaining or attacking a space station while everything that can go wrong has already gone wrong.

80% positive of 142 reviewsPlaying now: 49Free

Astroloot

Loot, level up, and obliterate everything in your path. Astroloot is a sci-fi bullet heaven with deep ARPG systems, featuring a massive skill tree, deterministic crafting, and near-endless build possibilities.

91% positive of 597 reviewsPlaying now: 10$6.99

CM-SS13

The year is 2182, but the engine is from 2003. Join the Falling Falcons in a massive tactical deathmatch RP fest held together by spaghetti code and duct tape. Build bases, perform surgery, or evolve as the Hive. It's laggy, it's complex, and it is the most fun you will have dying in space.

65% positive of 184 reviewsPlaying now: 11Free

Sixtar Gate: STARTRAIL

Sixtar Gate: STARTRAIL is a rhythm game for keyboard set against a space exploration backdrop. Captain your science vessel alongside your navigator Shii as you explore the vast Sixtar system!

86% positive of 1,424 reviewsPlaying now: 5$24.99

Star Vortex

Star Vortex is a fast-paced Action-RPG inspired by classics of the genre. Design your ship, fight through hostile alien sectors solo or with friends, salvage rare weapons and experiment with powerful builds until nothing can stand against you.

84% positive of 159 reviewsPlaying now: 1$24.99

Risk of Rain Returns

Carefully designed, beautifully remastered, and loaded with new ways to play—Risk of Rain is back and better than ever! Dive into the iconic roguelike full of unique loot combinations, enhanced with new Survivors, overhauled multiplayer, fan favorite content from Risk of Rain 2, and more!

89% positive of 24,859 reviewsPlaying now: 230$14.99

FreeInfantry

Isometric. Massively Multiplayer. Capture The Flag. Skirmish. Bug Hunt. And more. Welcome to FreeInfantry - the world's first massive multiplayer online isometric shooter.

78% positive of 165 reviewsPlaying now: 3Free

DemonStar

The shareware legend DemonStar comes soaring back with new game modes and revised gameplay. Originally published in 1997, DemonStar has earned the Computer Gaming World's "Shareware Game of the Year 1999" award..

94% positive of 251 reviewsPlaying now: 1$2.99

Chicken Invaders Universe

A deliciously addictive core of finger-blistering shooting action, surrounded by delectable morsels of galactic exploration, spacecraft customization, and community competitions.

90% positive of 3,851 reviewsPlaying now: 22Free

Boom Slingers

A fresh take on the classic artillery genre! Fight in physics-based battles online against players around the world. Defeat your opponents with UFO-tracked Cows, gravity-defying Anvils, or a good ol' fashioned Baseball Bat. The choice is yours!

90% positive of 121 reviewsPlaying now: 2$6.99

CryoFall

CryoFall is a sci-fi colony simulation survival game set on a forgotten planet in a distant future. Master technology, agriculture, trading, industry, cybernetics, exploration, and more!

78% positive of 4,910 reviewsPlaying now: 50$19.99

Beat Hazard 2

Experience your music collection as never before with this intense music driven arcade shooter. Each of your songs will have its own unique ebb and flow based on the music.

89% positive of 1,395 reviewsPlaying now: 2$18.99

ZeroRanger

This is the story of a fighter who wanted to become...

95% positive of 2,061 reviewsPlaying now: 11$11.99

Worbital

With the shifting gravity on your side, aim your cannons, blast your enemies and enjoy the fireworks. Worbital is a real-time strategic artillery game in space, peppered with a heavy dose of cosmic chaos. The goal: be the last civilization standing!

87% positive of 419 reviewsPlaying now: 5$12.99

Heat Signature

Heat Signature is a game from the developers of Gunpoint where you break into spaceships, make terrible mistakes, and think of clever ways out of them. You take a mission, fly to the target ship, sneak inside, and make clever use of your gadgets to distract, ambush and take out the crew.

94% positive of 6,867 reviewsPlaying now: 27$14.99

Starblast

Fun, fast paced online multiplayer arcade space shooter. Take control of your spaceship, mine asteroids, increase your stats, upgrade to different types of spaceships with improved stats and weapons. Fight against other players and collect their gems.

79% positive of 1,058 reviewsPlaying now: 29$9.99

Starbound Co-op: Build a Shared Universe Together

Explore planets, follow a story campaign, and build homes together in a four-player online sandbox where every friend has a ship of their own.

91% positive of 120,658 reviewsPlaying now: 824$14.99

Super Hydorah

Super Hydorah is a nonlinear horizontal shoot’ em up designed to offer a challenging experience, sublimating the richness of traditional shmup classics. Face the menace of the Meroptians aboard the Delta Lance, alone or with your friends in this game with direct action and nostalgic art.

85% positive of 290 reviewsPlaying now: 2$1.99

DoDonPachi Resurrection

The legendary bullet-hell shoot-’em-up series has come to Steam! DoDonPachi is ressurected after a Blissful Death with enough modes to satisfy the beginner and the expert player alike. Tonight we dine in bullet hell!

95% positive of 988 reviewsPlaying now: 8$29.99

CRYPTARK

Cryptark is a 2D sci-fi shooter where you take on the role of a heavily armed privateer seeking to earn government contracts by boarding deadly alien space-hulks. It's up to you to strategize a plan of attack, pick an equipment loadout, and destroy the central core to be victorious.

83% positive of 913 reviewsPlaying now: 1$14.99