みんなで失敗なく盛り上がれる定番人気作(940本)から、知る人ぞ知る隠れた名作(517本)までまとめました。
一覧にまだ載っていない協力・パーティーゲームも、Steamストアからリアルタイムで一緒に探せます。
Become a fox and work together with your pack to hunt down a variety of different animals in the overgrown ruins of an ancient civilization. Unlock new skills and watch the seasons change around you in this small pixel game.
『Who's Next?』 は個人戦のソーシャルディダクションゲームです。卑劣な手を使って最後まで生き残り、転生を手に入れるのです！ ここでは過程はどうでもいいんです。生き残ったら勝です。全プレイヤーは狙う向きで円を描くように繋がっています。順番に全ての獲物を殺し、最後の一人になれば勝利です！
究極のハイテクアヒルおもちゃシミュレーションゲーム、Placid Plastic Duckは、あなたに危険なレベルのリラクゼーション効果を与えます。チルな音楽、ドリーミーな3Dグラフィックス、数多くのハッピーなアヒルたちが居る中であなたはただ浮いているだけでいいのです。アヒルなんて知った事か。
Hardcore, co-op (or solo) platformer. Dark Souls makes a baby with Super Monkey Ball. An easy-to-learn, hard-to-master experience to explore with your friends. All inside a vast open world, with each platforming course bringing its own twist.
The Two of Us is a 2D Co-op Platformer that has a strong emphasis on working together. You will be greeted with various puzzle levels where you must work in conjunction with your friend to navigate the level.
Melon Simulator™ is a chaotic, co-op (1 - 4 players), first person melee combat game. Almost anything that isn't nailed down can be used to whack, slice, and throw at the oncoming melon horde...
二つの魂、一つの運命。忘れられた大地を舞台に、協力プレイで冒険へ出よう。魔法の洞窟に潜む驚異と危険を乗り越えるには、チームワークと知恵が鍵となる。
1～4人協力プレイのサバイバルホラーゲーム。恐怖はシフトが始まるとともに訪れる。監視カメラ、モーションセンサーを駆使し、清掃・整理・危険なクリーチャーの封じ込めを行え。給料を稼ぎ、ツールを強化し、捕獲せよ—誰も助けてはくれない。
"Roll a Ball with your friends" is a multiplayer game for up to 8 players. Let's roll a cute ball and have an obstacle race! Compete with your friends in over 30 exciting levels such as Kitchen, Pirate, and Space!
『Shake It Co!』は、1本の木と、そこから手に入るすべてを楽しむ、のんびり遊べるインクリメンタルゲームです。収穫したフルーツをポストで売ってコインを集め、アップグレードを重ねて、さらに大きな収穫を目指そう。1人でも、最大4人のマルチプレイでも楽しめます！
Fighting Fiends is a top-down fighting game. Play it 1 on 1 for intense matches or with up to 4 players for chaotic fun, both locally and online.
A two-player co-op horror escape. Trapped in a haunted manor, you’ll need to solve puzzles, work together, and trust each other to make it out alive.
Shütshimi is a randomized shoot'em up about a muscle-bound fish with memory problems defending the seven seas. Defeat or navigate through waves of enemies, collecting new upgrades every 10 seconds that change up the gameplay as you battle your way through each of the game's bosses.
Between dreams and nightmares, “Koloro” tells the tale of a young pink hair girl named Kora who embarks on a quest to find her missing sister through a stunning Puzzle-Platformer crafted by Sköll Studio.
【Ver.2.0大型アップデート配信中！】かわいい見た目で超カオス！動物と看守ロボットに分かれて戦う4対2の非対称アクションパーティーゲーム。新ステージ3つ、新キャラクター4体、一発逆転のスペシャルアイテムが登場！動物は「うんぴ」や「おぴっこ」、個性豊かなスキルを駆使して脱獄！ロボットはカスタマイズしたパーツとガジェットで捕まえよう！シンプル操作で誰でも楽しめて、極めるほどに笑える――世界初(!?)の排泄型脱出アクションパーティーゲーム、さらに進化！
アニメキャラクターになろう。自分だけの詠唱を書き、マイクを使って100種類以上のスペルを唱えよう。デュエル、チーム戦、そしてカオスなフリーフォーオールマッチでバトルしよう。
ボーイ みーつ ガール。 ステキな幸せを掴み取るためのKY度診断ゲーム。
Potion Party is a funny couch co-op alchemy game for one to four players. Working as a team, you and your friends must manage your own alchemy shop. Earn money, upgrade your tools, decorate the shop and become a master alchemist!
自動生成される協力スペースサンドボックス。プレイヤーはダイナミックにサイズを変えられるブロックで自分だけの宇宙船を建造できます。壮大なスペースバトルを戦い、探索、採掘、取引し、戦争を起こし、未知の敵が銀河を引き裂くのを防ぎ、自分だけの帝国を築き上げましょう。
A chaotic co-op armageddon game where you build ridiculous structures to survive world-ending disasters with sticky hands, physics chaos & friends who probably won’t save you. Don´t be a Sitting Duck!
Two Cubes is an Online Co-Op platformer where players can only touch their colour! The game requires 2 players who own the game to play!
"Gladiator, gladiator, gladiator, Swords and Sandals, Gladiatorrrrr!" You grew up playing the legendary Swords and Sandals turn based combat game series. These games have been played over half a billion times. Swords and Sandals is nostalgia, Swords and Sandals is life.
探索し、略奪し、急いで戻ってエイリアンの大群から自分の船を守れ。ソロまたは最大4人の協力プレイで、プレイを重ねるごとに強くなる、タワーディフェンス要素を取り入れたハイテンポなアクションローグライト。
SuperSpec Rallycross は、クラシックなトップダウン レーサーです。大きなジャンプ、ジョーカー ラップ、本格的なアクション。
You like top-down-shooter with a film-noir singleplayer campaign, challenging fights against zombies and monsters, gory splatter effects and destructible level environments? Fight your way through an apocalyptic city in the single player story mode, and test your skills in the survival mode.
A game about writing nice letters to real people. Write and receive encouraging letters in a cozy room. Trade stickers and listen to chill music. We're all in this together. Sometimes all you need are a few kind words.
Space Elite Force II は、ローカル協力プレイ、武器強化、手作りのピクセルアート、迫力のボス戦を備えたハイスピード横スクロールshmup。爆発的なステージを突破し、ハイスコアを狙い、人類を守れ。今すぐウィッシュリストへ！
Control a team of 4 characters, switching between them to use their unique abilities. ZIC: Zombies In City is a first person zombie survival shooter.
Do you have the intuition and cunning to successfully save yourself from the purges of a paranoid dictator? Prove your loyalty to the Tyrant in this social deduction game designed for 5-10 players.
Welcome to Cattlehorse Corp! Here, deadlines are brutal and backstabbers abound. Start missions with up to 10 staffers. Facing high - risk tasks? We’ll assign helper bots! Use wacky gear, bluff, or double - cross. Watch out—drones and hostile bots attack. Only the survivors get ahead!
宇宙船にエイリアンが侵入した！ アンロック式の武器や爆弾、アビリティ、ムーブメントを駆使して、放射能を浴びた敵を駆逐せよ！ アーケードゲームを彷彿とさせる、全ステージランダム生成の乱れ撃ちシューティング。踊れ、死のダンス！
"Escape Memoirs: Mansion Heist" is a co-operative atmospheric reverse escape-room puzzle game. You are a master thief who has been hired to rob a mysterious mansion, filled with various puzzles. Do you think you have what it takes to conquer the challenges that await you in the mansion.
It's the zombie apocalypse, but you can't miss a work day! Scavenge for weapons, survive... and don't forget to restock the toner cartridges over at accounting. This humorous top-down shooter has you working your way up the corporate ladder, all the way to the rescue helicopter on the rooftop.
A bullet heaven where you cooperate with Kill-BOI 9000 (your friend and toaster). Forge a beautiful bond and bring destruction - together. Give him saws! Give him drones! Then give all the drones saws! AND THEN SET THE SAWS ON FIRE.
A bullet heaven where you defeat thousands of creatures, unlocking characters and equipment, then challenge deeper levels. Team up with friends or go solo; all drops are instanced so you don't have to share. One-more-run becomes a no-brainer thanks to satisfying gameplay and constant unlocks.
Take Boston or die for freedom!
