基本プレイ無料（Character Customization）：みんなで遊べるゲーム

CPM 2

Open-world racing sandbox with cross-platform multiplayer. Complete parking challenges, drift, and participate in races: drag, rally, circuit, and Drift. Tune cars and organize car meets with friends.

無料

Strikers Club

Strikers Club is a multiplayer football game where you play as one player and compete in action-packed matches against others. Every move counts. Master dribbling, passing, and shooting while working with your team to outplay opponents.

無料

Duckoleon

Experience (mildly) accurate historical battles from the Napoleonic era, but from the perspective of DUCKS! Duckoleon is a multiplayer FPS/TPS with strategic elements. Exciting combat with units ranging from line infantry to cavalry and artillery, historical uniforms, cute ducks and much more!

無料

Where Winds Meet：メインストーリーの外で楽しむ武侠協力プレイ

最大4人のフレンドとオープンワールドを探索し、ボス戦や一部のグループチャレンジに挑めます。メインストーリーはソロ向けなので、共有できる冒険には明確な範囲があります。

無料

Vampire's Fall 2

Rise as a vampire in a handcrafted 2D dark-fantasy RPG. Master devastating powers, confront horrific enemies, and forge your destiny in a world shattered by a brutal civil war between humans and vampires.

無料

Catto Pew Pew!

Catto Pew Pew! is a physics-based shooter game where competitive gameplay, proximity chat, and pure chaos collide. Shoot your opponents into the sky and claim your victory!

無料

Codename CURE II

Codename CURE II is a co-operative first person shooter set in the aftermath of a zombie apocalypse. Create an elite military squad with up to five players and fight your way through hordes of zombies in a variety of dynamic objective missions.

無料

Stitchlings

Play solo, or grab a friend and embark on a bite-sized co-op combat adventure fighting toy monsters, picking them apart, while you stitch together your uniquely customized Stitchlings!

無料

Eterspire

Eterspire is a cozy old-school MMORPG where skill and dedication define your progression. Grind for gear, explore the vibrant world of Aetera, discover new content every two weeks, and join a growing, welcoming community in a free-to-play MMO with PC and mobile crossplay.

無料

棋桜

気軽に、だけど本格的。『棋桜（きおう）』でキャラクターと一緒に将棋を楽しもう。初心者には学びを支えるAIサポート、実力者には純粋な読みと一手の勝負を。あなたの一手から、対局が始まる。

無料

Roadside Research

Roadside Research is a 1 to 4 player co-op gas station simulator. Except you’re aliens. And undercover. Do very human things like restocking shelves while preparing for the invasion. Just don’t get caught.

$14.99

SEVERANCE

Severance is a 1-5 player paranormal investigation game… with a twist. Use tools and equipment to identify the correct ghost type while a dangerous, violent entity hunts you down. The twist? YOU can become the ghost. Choose Ghost AI, or an asymmetrical mode where a player takes the Ghost role.

$7.49

Deskworm

A tiny desktop worm pet that moves when you type, click, or play. Dress it up with hats and skins, park it in a pocket where its gaze follows your mouse, and let its Anti-Shrimp reminders nudge you to sit up and stretch.

無料

IdleOn - The Incremental MMO

The incremental idle MMO where your heroes keep fighting while you're gone! Spend their loot on upgrades, unlock classes from Elemental-Wizard to Cannon-Pirate, and level 20 unique skills like Farming, Sailing, and Construction!

無料

Bongo Cat

Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?

無料

Neighbors: Suburban Warfare

Neighbors: Suburban Warfare is a chaotic online multiplayer party brawler where suburban rivals go to war. Team up with friends in wild PvE and PvP matches, destroy rival houses with everyday items turned weapons, and defend your home using traps, gadgets, and crazy team combos.

無料

hololive Dreams

The official hololive rhythm game and RPG -- hololive Dreams -- is now on Steam! Enjoy rhythmical gameplay, park development, and mini-games. Featuring 50+ members and 150+ songs, it's perfect for fans and newcomers alike. Play your way!

無料

Gloria Victis: Medieval MMORPG

Gloria Victis is an MMORPG with an emphasis on realism, set in a low-fantasy medieval open world. Enjoy MMO with skill-based non-target combat, open PVP with territory control, deep crafting system and player-driven economy – all that served with beautiful graphics and an immersive atmosphere.

無料

Speedway Challenge 2026

A dynamic speedway game offering a realistic driving model, exciting competition, and multiple game modes. Develop your rider career, race on authentic tracks, and fight for victory in single-player and multiplayer modes. Experience the true thrill of speedway and prove your dominance on the track.

無料

Age Of Warbots

A sandbox battle simulator game where you can build your own shape-shifting warbots, program their AI, and watch them smash each other up on the battlefield! Join the battles yourself by taking control of the warbots! Use Steam Workshop to check out warbots created by players from around the world!

$9.99

gogh: Focus with Your Avatar

A cozy multiplayer co-working sandbox with character customization, room building, and productivity tools. Focus, study, work, and relax together with friends and players around the world.

$11.99

8 Ball by Pokerist™

Play the most realistic pool game with amazing graphics! Play for free with millions of players from all over the world!

無料

新盗墓笔记（官方正版）

Officially licensed by Nan Pai San Shu, this authentic tomb-raiding MMO brings the novel’s world to life. Venture into the Seven-Star Lu Palace, Nine-Headed Cypress, Bronze Gate and more—iconic locations recreated in stunning detail.

無料

Crusaders Quest : Mini

Meet Little Friends on the PC with Crusaders Quest : Mini (CQ:Mini)! You can work and study During the game, Crusader Quest's warriors fought hard and saved the Hasla continent You're leaving. You can collect the original warriors and costumes just for this game, too. Let go of your boredom

無料