
Cult of Personality
Cult of Personality is a social deception game that bends the rules of what players can see, do, and hear... In life, and death!
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。

Cult of Personality is a social deception game that bends the rules of what players can see, do, and hear... In life, and death!

A real-time strategy RPG adventure with autobattles. You begin with one hero. Soon you have a party, a dragon problem, a few questionable artifacts, and far too much confidence. Somehow this is the correct way to resurrect a dead goddess.

Turbo Slothsは、別の惑星を舞台にしたアドレナリン全開のシューティングレースゲームです。あなたが操るのはスポーツカーではなく、戦争マシンへと改造された巨大なターボトラックです。 狂気の「荒野リーグ」に参加しよう——ここで勝つのは最速ではなく、最強だ。

Liberate the planet Volistad from the Orks’ grip in Final Liberation, a turn-based strategy game set in the Warhammer Epic 40,000 universe. Experience a cult classic with large-scale tactical battles and iconic live-action FMV cutscenes.

Defend a Terraforming station against hordes of enemies in this short coop-only rail-shooter! A unique mix of nostalgic arcade elements and modern coop shooter gameplay. Triumph against your foes and compete for the top of the leaderboard!

A free social deduction game with proximity voice chat, character customization, and hundreds of secret roles for 8-12 players.

大乱闘物理演算尻相撲ゲーム! ネコっぽい謎の生き物の尊厳をかけた熱い戦い。 最後まで勝ち残れば真のネコ!!……かもしれない?

Wizzerd Quest is a bite-sized open-world RPG with full split-screen co-op. Its aesthetic is straight out of the mid 1990's, and it's designed to be a fun little excursion without wasting your time. Play the entire game for free with zero microtransactions or DRM!

タントクオーレは、メイドを雇って仕える日本のデッキ構築カードゲームです!

Only Falseは、ブラフと戦略が絶妙に組み合わさった、少しブラックなユーモアを含むパーティーゲームです。嘘に飢えているプレイヤー向けのゲームで、時には政治家のように嘘をつき、時には「Sun Tzu」のように戦略的に考える必要があります。 時には嘘の裏に隠れ、時には自分の選択の結果を受け止めることになります。

Command a squad of up to 20 Space Marines and battle the forces of Chaos led by Chaos Lord Zymran. Chaos Gate is a squad-level, turn-based tactical strategy game set in the grim Warhammer 40,000 world.

Tombstone Tally is a cross between bingo and a scavenger hunt where you check off squares based on ridiculous tombstones. Play with your friends! Smack them around with a shovel and challenge them on three maps, including a fast paced arena mode!

本作は演奏シミュレーションと学園ADVを組み合わせた音楽学園シミュレーターです。 コンコルディア音楽学園のカホンクラブに入部した初日に直面する廃部の危機を回避するために奔走する中で、アンサンブルパートナーと出会うことになります。 ストーリーモードとフリープレイモードのほかに、パートナーとの会話を通じて互いへの理解を深めながら音楽知識を学べます。また、ゲームセンターでのリズムゲーム、プレゼント交換や音楽に関する読み物も楽しめます。最大4人でのアンサンブル演奏では、それぞれが異なるパート、異なる譜面を担当する本格的な合奏が楽しめます!

Fatal Core is a 100% free, community-driven Trading Card Game. Assume the role of one of 6 Lead Characters and battle in a dystopian future full of strange magic and alien technology! Fatal Core features many unusual mechanics, including simultaneous play, open hands, player market, and more.

Just War Trains is an online shooter where players control heavily armored trains, engaging in intense battles against an opponent. The objective is to outgun the opposing train with precise shooting. You can play with up to 24 people in WAR TRAINS!

DAMNOSAUR is a chaotic arcade shooter that combines colourful anime with the Dino-apocalypse! Fight alone, or with a friend to take down these monstrous dinosaurs.

この両スティック操作のクライミングプラットフォーマーで、自分だけの道を切り開きながら、手を伸ばし、揺れ、舞い上がってTurnip Mountainの頂上を目指そう!

A turn-based rally through Europe with the goal of becoming the richest!

Play with up to 10 of your friends in this frantic bird based online game! Customize your pigeon, Compete to build nests, own territory and to keep hold of shiny things. But watch out, its a bird eat bird world out there!

闘い、死んで、繰り返せ。モンスターに埋め尽くされたオフィスで大暴れする、不謹慎なアクションローグライク! ボックスナイトの称号を得て各フロアを突破し、ボスどもを撃破せよ!

Explore, automate, and fight in this new open world factory automation game. Build factories connected by miles of conveyor belts. Manage power and fluid networks. Explore procedurally generated worlds filled with resources to harvest and hostile creatures to defeat. Play solo or online with friends

The Last Camp is a post-apocalyptic world-themed game. It utilizes high-quality graphics, a rich weapon and item system, and a vast world map to create a cross-generational twin-stick shooter, bringing a feast to hardcore shooter players.

HoverRace is a racing video game created by GrokkSoft in 1996.

Fast-paced racing game in a retro 80's neon style.

Burntime is a remaster and expansion of Max Design's 1993 post-apocalyptic strategy RPG. Survive, trade, build camps and compete for control of five cities. Play with remastered visuals and modern controls.

A fantasy strategy game that combines collectible card and board game mechanics. Build custom decks, choose powerful heroes, and engage in tactical, turn-based battles in competitive PvP leagues and battlefield tournaments.

Roll for the Galaxy is a dice game of building space empires for 2-5 players. Your dice represent your populace, whom you direct to develop new technologies, settle worlds, and ship goods. The player who best manages their workers and builds the most prosperous empire wins! This dice version of Race for the Galaxy takes players on a new journey through the Galaxy, but with the the feel of the original game.

Big E’s back in action! Working the farm over Summer is never easy - but everyone knows you’re the best. Do your utmost to keep the product moving, the customers happy and the law at bay, and everything’ll turn out great!

Light Bearers 2 is a fast paced hide and seek, asymmetrical multiplayer horror game. A Shadow is trying to corrupt all Light Bears. The Light Bears must use their movement and cunning. To keep each other from becoming corrupted by darkness.

FFFL: Brutalball Manager is a Franchise Management Simulation game, based mostly on American Football in a Fantasy setting. Take full control of the entire league. Tons of customization, deep stat tracking and unique rules.

見た目はバトルシップ。中身は知恵比べ。40隻以上の艦船、それぞれがユニークな能力を持っています - 4隻の艦隊を作り、1対1の高速対戦で相手を出し抜きましょう。基本プレイ無料、クロスプラットフォーム、プレイヤー数500万人以上。

Gum Squad is a co-op PvE shooter set in a quiet world gone sticky. Start with a peashooter, explore together, and gear up to survive the gum epidemic with up to 8 players!

No Way Homeは、宇宙の遥か遠くにある危険地帯を舞台にした、ツインスティックシューティングアドベンチャー。主人公は遭難し孤立無援、そんな中で一癖ある仲間や危険な敵が多くいる広い世界を冒険し、故郷へと戻る道を探し出そう。

A build-your-own-gun FPS! Play online, splitscreen or vs. AI in this goofy party game with over 600 unique weapons! Outbid your opponents and assemble the wildest weapon on Mars!

Choose your favorite vehicle from an infinite number of possibilities. Have fun crashing into objects to collect resources and build your own world. Show your friends what you've built and do stunts with them.

調理・配膳・片付けの動線を分担して注文をさばくハイテンション協力タイクーン。息が合った時の快感が抜群です。