Sanctum 2：防衛を組み立て、自ら戦う
Sanctum 2はタワーディフェンスと一人称シューティングを組み合わせた、最大4人のオンラインキャンペーンです。酸素を生み出すCoreを守り、装備をアンロックし、SurvivalやSandboxでマップを再プレイできます。
7,460件中91%が好評現在のプレイヤー: 16$14.99
Sci-fi · Singleplayer：みんなで遊べるゲーム
オンラインでみんなと遊べるSci-fi · Singleplayerゲーム426本。Sanctum 2、Gunpoint、Earth 2150 Trilogyなど。
すべてのゲーム: 24
Gunpoint
Gunpoint is a stealth puzzle game that lets you rewire its levels to trick people. You play a freelance spy who takes jobs from his clients to break into high security buildings and steal sensitive data.
10,279件中97%が好評現在のプレイヤー: 4$9.99
Earth 2150 Trilogy
Your heroes and your armies will need strong leadership to take them on a spellbinding odyssey that has everything a gamer’s heart could wish for breathtaking worlds in space, battles against cunning enemies and even downright treason from your own government faction - are you up to it?
456件中76%が好評現在のプレイヤー: 8$4.99
Sonic Adventure 2
Experience two unique adventures featuring both long-time heroes and new and returning villains as they battle for the fate of the world!
23,916件中89%が好評現在のプレイヤー: 277$9.99
PixelJunk™ Shooter
In PixelJunk™ Shooter, you must pilot your spacecraft through a range of cavernous environments in a bid to save the scientists trapped underground. Making your way through the game will rely on your keen sense of observation and the ability to manipulate your surroundings.
251件中92%が好評現在のプレイヤー: 1$8.99
ORION: Prelude：仲間と挑む恐竜の大群
発電機を守り、ウェーブ間に強化を購入。ORION: Prelude オリジナル版の最大5人協力モードに、最大4人のフレンドを招待しましょう。
19,055件中76%が好評現在のプレイヤー: 32$9.99
Revolution Ace
A deep, tactical shoot'em up. With every takedown, you’ll earn cash and xp to upgrade your ship and unlock new abilities. Online and local co-op. Unique versus mode. Realistic physics and water simulation.
1,479件中70%が好評現在のプレイヤー: 1$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
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.
539件中61%が好評現在のプレイヤー: 2$29.99
Space Hulk (Classic)
The legendary Space Hulk returns in this epic turn based strategy game. Set in the Warhammer 40,000 universe, an intriguing story of legendary battles and heroic actions unfolds.
1,579件中70%が好評現在のプレイヤー: 3$11.99
ENDLESS Space™ - Definitive Edition
ENDLESS Space™ is a turn-based 4X strategy game, covering the space colonization age in the ENDLESS Universe™, where you can control every aspect of your civilization as you strive for galactic domination.
6,632件中78%が好評現在のプレイヤー: 69$9.99
Iron Brigade
Join The Mobile Trench Brigade and protect humanity from the evil Monovision menace!
917件中86%が好評現在のプレイヤー: 8$14.99
Rise of the Triad
Apogee Software and Interceptor Entertainment proudly present the rebirth of the cult-classic first-person shooter, “Rise of the Triad”. Bigger, better and more ludicrous than ever before.
1,907件中66%が好評現在のプレイヤー: 3$14.99
Serious Sam IIのキャンペーンを協力プレイで駆け抜けよう
カラフルで武器の豊富なFPSキャンペーンを、オンラインやLANで友達と攻略。モンスターの大群とは別に、対戦モードも楽しめます。
12,066件中89%が好評現在のプレイヤー: 140$9.99
Serious Sam 3: BFE、仲間とエイリアンの大群を迎え撃つ
Serious Sam 3: BFEのエジプトを舞台にしたキャンペーンを、オンライン最大16人、ローカル画面分割最大4人で協力プレイ。
21,904件中86%が好評現在のプレイヤー: 113$29.99
Cortex Command
Choose between different factions, with their own set of expendable soldiers, mechas, and weapons. Protect your brain, mine gold, and destroy the enemy cortex in his bunker complex!
2,002件中82%が好評現在のプレイヤー: 2$19.99
Cave Story+：ミミガー島を二人で冒険
浮遊島の洞窟を探索し、友だち一人とローカル2人協力プレイでCave Story+を進めよう。
5,268件中92%が好評現在のプレイヤー: 30$14.99
Portal 2
The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
392,510件中98%が好評現在のプレイヤー: 2,451$9.99
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
E.Y.E: Divine Cybermancyの奇妙な協力ミッション
最大3人のフレンドと、銃撃戦やハッキング、超能力、キャラクター育成が絡み合う謎めいたサイバーパンク・キャンペーンに挑もう。
6,310件中83%が好評現在のプレイヤー: 17$9.99
Planets Under Attack
Play as humans or robots in a brand new sci-fi strategy adventure! Travel into the far reaches of space, through cleverly designed star constellations and variable game modes, conquering enemy planets using 15 combinable technologies.
319件中63%が好評現在のプレイヤー: 3$2.39
STAR WARS™ Empire at War - Gold Pack
Command or corrupt an entire galaxy in the definitive Star Wars strategy collection. It is a time of galactic civil war. Will you take up the reins of the Rebellion, assume control of the Empire, or rule the Star Wars Underworld?
36,325件中96%が好評現在のプレイヤー: 1,950$19.99
Sword of the Stars: Complete Collection
Sword of the Stars: Complete Collection is the original Sword of the Stars games and the three expansions Born of Blood, A Murder of Crows and Argos Naval Yard. It is the year 2405, and human scientists have discovered a new technology that allows travel from star to star at speeds faster than light.
591件中86%が好評現在のプレイヤー: 33$9.99
LEGO® Star Wars™ - The Complete Saga
Kick Some Brick in I through VI! Play through all six Star Wars movies in one videogame! Adding new characters, new levels, new features and for the first time ever, the chance to build and battle your way through a fun Star Wars galaxy on your PC!
20,856件中96%が好評現在のプレイヤー: 285$19.99