
FOOTSIES Rollback Edition
FOOTSIES is a simple 2D ground-based fighting game that both new and experienced players can pick up and enjoy right away. Featuring online battle mode with rollback netcode, implemented using GGPO open-source codes.
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。

FOOTSIES is a simple 2D ground-based fighting game that both new and experienced players can pick up and enjoy right away. Featuring online battle mode with rollback netcode, implemented using GGPO open-source codes.

ウルトラファイトだ!キャン太2はスピーディでテンポが良くワンボタンで必殺技が出せる、直感的な操作でシンプル!個性豊かなキャラクターが激しいバトルを繰り広げる2D対戦格闘ゲームです。

The Definitive Political Debating Simulator. A wacky third-person multiplayer arena shooter inspired by Countryball memes - a game encouraging you to smash each others balls until someone finishes victoriously. Now includes an online co-op zombie mode!

みんなで遊ぶ「鬼滅の刃」!

A turn-based online fantasy card game. No character leveling, no grinding, no deck building - just 100% skill-based and fast-paced card battles!

In this turn based tactical card fighter, you will learn the secrets of Kung Fu, master control of your formidable Chi Energy and perfect the legendary Dim Mak death touch.

As humanity endeavored to better themselves, they created the biological marvel known as Gears. Originally intended as the next step of human evolution, they were instead fitted for war and turned against their own creators.

世界各地の場所を再現した、精巧なミニチュア・ジオラマを組み立てる、リラックスできる3Dジグソーパズルゲーム。

Chickens. For centuries we have oppressed them, grilling, roasting, stewing, and stuffing them in buns. The time has come for us to pay. Intergalactic chickens are invading Earth, seeking revenge for the oppression of their earthly brethren!

Grow bigger and bigger as you eat everything in the world! Play through six wildly different end-of-the-world scenarios in this chaotic eat ’em up.

『超アロィクラッシュ』は、2D横スクロールの格闘アクションゲームです。KellyとMuu(No.02)を操作して、敵を倒し宝物を手に入れよう!友達と協力して挑戦を受け入れましょう!

Drift.Wav is a casual drifting game with a synthwave inspired aesthetic. This game is not meant to replicate / simulate actual drift mechanics, but more serve as a fun & relaxing game where you can slide in a synthwave inspired world. See if you can drift your way to the top of the leaderboard!

Casual Pro Wrestling is a professional wrestling game with an emphasis on fun. Wrestle your dream match and enjoy the ragdoll physics for additional drama and whiplash. Play couch or online multiplayer with your friends and get creative with a plethora of possibilities for wrestler creation.

You are PETER SHORTS! You have been captured and taken to a secret cloning facility. Can you escape with your newly-cloned brethren?

時は2055年、神に見放された、NYC。2Dラン&ガンとギャラリーシューターの極限的融合、『NEON INFERNO』。サイバーパンク感あふれるジャングルを銃火と共に突き進み、「ファミリー」の名のもとに街を支配せよ。

科学的に管理された近代的な動物園を計画・建設し、自然保全計画を支援する、高い評価を受けている戦略ボードゲーム。

ラディカル・ラビット・シチューは、二兎どころか三兎も四兎も追えちゃう、お子様もレトロゲームファンも楽しめるアクションアーケードパズルゲーム!

昔前のアーケードのノスタルジーと現代のインディーズゲームデザインが融合したガンアクションボスラッシュゲーム! 1人でワンマンアーミー体験はもちろん、2人でオンライン協力・対戦プレイも可能! マウスとガンコンで操作できます!

Welcome to the world of Freight Hopper. A high-octane first-person parkour experience. Test your spontaneous planning and reach the goal as fast as possible!

愛される名作が帰ってきた。『テトリス® エフェクト・コネクテッド』の開発陣が新たに贈るは、パズルゲームの名作『Lumines(ルミネス)』シリーズ最新作! ビートが体中とブロックを駆け巡り、圧倒的な4Kビジュアルと心を掴むサウンドの融合が引き起こす、やめ時を忘れるゲーム体験をあなたに。

Learn new tricks, improve your freestyle flow, get inspiration by spectating other pilots, or learn to fly in the first place. The drone setup and physics are already dialed in by Pro pilots, so no need to mess with complicated settings.

シューティングゲームに対戦要素を取り入れた本作で、メガガンに変形し、ライバルを打ち負かせ。

Feud is a turn-based strategy game. Swap pieces on a four-by-four grid to isolate your opponent's pieces, or go straight for their King. Hone your skills against three AI characters with distinct play-styles, then challenge your friends online or on the same screen.

『Flamecraft』は、魔法がいっぱいの1~5人用ほんわかストラテジーゲーム。炎の理解者(フレイムキーパー)になって可愛らしい「働きドラゴン」を手伝い、理想の家を探してあげよう。町のお店に魔法をかけてドラゴンカードでいっぱいにして、風変わりな商店街に活気を取り戻そう。

With You is a cooperative two-player puzzle-playground. It's a tiny game that hopes to inspire couples to connect, communicate, and collaborate.

5 on 5 Pro Basketball born from the golden era of sports games. This spiritual successor to the 8-bit ballers bridges the gap between retro and today’s simulation games. Side-scrolling, sweaty arcade action with simplified 3-button gameplay and retro vibes galore. Explore decades of rosters featuring 160+ teams and 1000+ players – all with individualized attributes. Introducing the first seamless play calling system of its kind, along with sensational cut scenes. Single player Story Mode unlocks secret teams or engage in endless scream-inducing local multiplayer. Lace up those hi-tops, hot shot. It's time to show us what you got.

Embark as a knight alone or with friends in an order chasing their potential. Experience a rhythm game with an original soundtrack, in-depth character customization, and a story following an ensemble cast in a tranquil hub world. What will you find at the peak of what you're chasing?

Rich Party Remastered Version Returns with RenewalYou don't need to repurchase,This remake updated the original code structure, revised the game settings and added a new creative workshop.bringing players a new gaming experience.

Explore the continent in search of Mitriom, ancient energy crystals to power the various improvements of your caravan (Skills, Bonus, Cannon on the caravan etc). Dynamically manage your resources to adapt your skills according to the situation.

Full Ace Tennis Simulator is for those seeking unequaled tennis depth and fun.

姫に恋する何人もの若者たち…姫に恋文を渡すことができるのは誰?愛しい姫の心を手に入れるため、時にハッタリをかまし、時にはライバルを蹴落としながら、作戦を遂行しよう。 本作は、有名なカードゲームの公認を受けたデジタル版です。

Turn-based strategy at its finest.

A game about cute girls and speedy cars! Race THE TRACKS OF THE ABYSS, socialize with online strangers (or friends), furnish your apartment and explore the new much improved hell city.

Beacon Patrol (ビーコン・パトロール)はリラックスできる協力型タイル配置探索ゲームです。このゲームではプレイヤーであるあなたは沿岸警備隊の船長として北海を探索し、ビーコンブイ、灯台、水路などを確保します。友達たちと協力しながら最も完成度の高いマップを作成し、スコアを稼ぎましょう。

Trapper's Delightは、組み立てられた危険な迷宮から無事に脱出するゲームです。 ステージにトラップを仕掛けてオンラインやオフラインで友達を騙しましょう。そしてシングルプレイヤーで新しいスキルにチャレンジしましょう。

Frog Fighters is a light-hearted, fast-paced, third-person-shooter where you become a frog on a lily pad with an ability to shoot other flying frogs with different types of laser-leafs.