Warframe
Awaken as an unstoppable warrior and battle alongside your friends in this story-driven free-to-play online action game
687,788件中87%が好評現在のプレイヤー: 64,994無料
アクション（Space）：みんなで遊べるゲーム
オンラインでみんなと遊べるアクション（Space）ゲーム224本。Warframe、Signs of Life、PlanetSide 2など。
すべてのゲーム: 24
Signs of Life
Signs of Life is a sci-fi survival sandbox platformer with a combination of procedurally generated and hand-crafted content. You'll explore mysterious locations, mine blocks for resources, and meet strange (and some familiar) creatures, some of which don't even want to kill you and eat your corpse.
717件中76%が好評現在のプレイヤー: 12$14.99
PlanetSide 2
PlanetSide 2 is an all-out planetary war, where thousands of players battle as one across enormous continents. Utilize infantry, ground and air vehicles, and teamwork to destroy your enemies in this revolutionary first-person shooter on a massive scale.
74,972件中80%が好評現在のプレイヤー: 615無料
Natural Selection 2
A fast paced multiplayer shooter that pits aliens against humans in a strategic and action-packed struggle for survival!
8,647件中85%が好評現在のプレイヤー: 142$4.99
Sins of a Solar Empire: Rebellion：銀河を戦場にするRTS
マルチプレイモードは最大10人向けで、オンラインとLANの協力・PvPを選べます。友達と帝国を築いてAIに挑み、6つの陣営と複数の勝利条件から選びましょう。
10,258件中93%が好評現在のプレイヤー: 314$19.99
Awesomenautsで楽しむ、2Dチーム対戦MOBA
最大2人の友達と3対3のプラットフォームMOBAに参加し、ドロイドのレーンを押し進めて敵チームの基地を破壊しましょう。
11,825件中84%が好評現在のプレイヤー: 69$19.99
LEGO® Star Wars™ III - The Clone Wars™
LEGO Star Wars III: The Clone Wars will allow fans to explore endlessly and laugh their way through the Star Wars galaxy in the most humorous, accessible and action-packed LEGO game to date.
7,244件中93%が好評現在のプレイヤー: 116$19.99
EVE Online
Over 20 years of legendary space battles! Explore a massive living universe of danger and opportunity in a challenging and highly rewarding space adventure. Fight, trade, build, and connect with a universe driven and shaped directly by players.
39,776件中72%が好評現在のプレイヤー: 5,419無料
STAR WARS™ Battlefront II (Classic, 2005)
Join the rise of Darth Vader’s elite 501st Legion of Stormtroopers as you fight through an all new story-based saga where every action you take impacts the battlefront and, ultimately, the fate of the Star Wars galaxy.
46,468件中94%が好評現在のプレイヤー: 257$9.99
Beat Hazard：お気に入りの音楽で遊ぶ2人向け宇宙シューティング
Beat Hazardは手持ちの音楽をカラフルなツインスティックシューターに変える作品です。基本ゲームはローカル2人協力プレイに対応し、追加DLCのUltraでオンライン協力プレイが加わります。
5,074件中94%が好評現在のプレイヤー: 2$9.99
STAR WARS™ Jedi Knight II - Jedi Outcast™
The Legacy of Star Wars Dark Forces™ and Star Wars® Jedi Knight lives on in the intense first-person action of Jedi Outcast.
4,063件中90%が好評現在のプレイヤー: 33$9.99
STAR WARS™ Republic Commando™
You are the leader of an elite squad of Republic Commandos, your mission is to infiltrate, dominate, and ultimately, annihilate the enemy. Your squad will follow your orders and your lead, working together as a team - instinctively, intelligently, instantly. You are their leader. They are your weapon.
14,733件中94%が好評現在のプレイヤー: 45$9.99
Shatter
Shatter is a retro-inspired brick-breaking game that merges familiar action with unique twists and a modern crafted production approach.
663件中95%が好評現在のプレイヤー: 1$1.99
STAR WARS™ Jedi Knight: Dark Forces II
Jedi Knight: Dark Forces II picks up where the award-winning Dark Forces™ game left off...with even more features and firepower in dazzling 3D graphics. As Kyle Katarn, you must acquire a lightsaber and learn the ways of the Force to become a Jedi Knight.
1,863件中79%が好評現在のプレイヤー: 12$5.99
Ricochet
A futuristic action game that challenges your agility as well as your aim, Ricochet features one-on-one and team matches played in a variety of futuristic battle arenas.
4,566件中81%が好評現在のプレイヤー: 9$4.99
Dome Keeper
Defend against waves of alien monsters in this unique roguelike action miner. Dig for resources, collect useful gadgets, and upgrade equipment to increase odds of survival – just hurry back before your dome is destroyed!
19,291件中92%が好評現在のプレイヤー: 0$17.99
Wildgate
Wildgate is a PvPvE multiplayer shooter that blends tactical ship-to-ship combat with fast-paced first-person action. Evade deadly environmental hazards, search for powerful weapons and ship upgrades, and be the first crew to escape with the Artifact... or the last crew left flying.
5,045件中77%が好評現在のプレイヤー: 0$0
Polarity
Polarity takes it to the next level, demanding all of your wits and reflexes. Full-featured local co-op campaign.
3,676件中77%が好評現在のプレイヤー: 0$12.99
Mushy
Mushy is a round based first person shooter. The attackers plant a bomb and the defenders defuse it; all while engaging in armed combat!
1,671件中85%が好評現在のプレイヤー: 0無料
Star Saviors
Saviors brings the best bullet hell experience you can find on Steam. Play through 18 challenging stages in this ultimate test of tactics and reflexes.
1,535件中80%が好評現在のプレイヤー: 0$1.99
Moonbreaker
Moonbreaker is a turn-based strategy, tactical skirmish game. The game is designed to be a true digital miniatures experience, set in an expansive sci-fi universe crafted by Brandon Sanderson. Direct Captain and Crew in gripping, ever-changing competition and adventure.
1,291件中83%が好評現在のプレイヤー: 0$29.99
Stars End
Stars End is a sci-fi survival sandbox set on the wild frontier of a distant star system. Play solo or host your own server as you craft, build, and battle to survive in a galaxy shaped by danger, discovery, and your own grit.
1,132件中62%が好評現在のプレイヤー: 0$19.99
Chippy
Chip destructible bosses apart pixel-by-pixel in this twin-stick bullet-hell shooter.
1,096件中89%が好評現在のプレイヤー: 0$7.49
Sketchy's Contract
A 1-8 player co-op sci-fi looter horror game that takes place on a mysterious asteroid belt where players must complete contracts by traveling to exotic planets to kill creatures, find loot, and/or farm planetary materials that they must return to an ominous figure named Sketchy.
1,027件中82%が好評現在のプレイヤー: 0$8.99