Realm of the Mad God Exalt：大勢で挑む、手ごわい協力世界
Realm of the Mad God Exaltで友達とオンラインの大規模ボス戦やダンジョンに挑みましょう。19クラスから選べますが、キャラクターが倒れると装備ごと永久に失われます。
47,823件中82%が好評現在のプレイヤー: 1,271無料
インディー（RPG）：みんなで遊べるゲーム
オンラインでみんなと遊べるインディー（RPG）ゲーム683本。Realm of the Mad God Exalt、Dungeon Defenders、Terrariaなど。
すべてのゲーム: 24
Dungeon Defenders：仲間と守るタワーディフェンス
最大3人の友達と防衛設備を築き、モンスターがクリスタルに押し寄せたら自分も戦線へ。Dungeon Defendersはタワーディフェンス、アクション戦闘、キャラクターと装備の長期育成を組み合わせたゲームです。
12,210件中92%が好評現在のプレイヤー: 417$14.99
Terrariaなら、どのワールドも仲間との冒険になる
友達と一緒に掘り、建て、変化し続ける世界へ挑みましょう。デスクトップ版の専用サーバーは初期設定で16人まで参加可能。装備を集めながら探索し、ボスや侵攻イベントに挑めます。
1,248,943件中97%が好評現在のプレイヤー: 27,704$9.99
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。
6,312件中83%が好評現在のプレイヤー: 18$9.99
DeathSpank
For uncounted years, DeathSpank has been a Dispenser of Justice, a Vanquisher of Evil, and a Hero to the Downtrodden.
718件中94%が好評現在のプレイヤー: 1$14.99
Dinkum
Dinkum is a survival life simulation game set on an island inspired by the rugged Australian outback. Farm, hunt, mine, fish, and forage to gather resources, expand your town, and discover what makes Dinkum so special—either solo or with friends.
24,737件中91%が好評現在のプレイヤー: 0$19.99
Crypt of the NecroDancer：協力プレイもリズム勝負
基本版はローカル2人協力に対応。Synchronyを追加するとローカル最大4人、オンライン最大8人で遊べます。すべての行動がビートに結びつきます。
23,642件中95%が好評現在のプレイヤー: 0$2.99
Next Day: Survival
Next Day is a multi-player SURVIVAL game with elements of RPG, in an imaginary country in Eastern Europe. Carry out an array of tasks, learn skills, and develop your character. Have shootouts with opponents and earn a reputation.
8,619件中62%が好評現在のプレイヤー: 0$9.99
Hand Simulator: Survival
Wild island. Thirst and hunger. Dangerous animals and insects. The perfect place to test your survival skills, especially if you only have empty hands, especially if it is a hand simulator.
7,496件中86%が好評現在のプレイヤー: 0$2.99
Zenith: Nexus
Fight, explore, and lose yourself in an anime-inspired world built for VR. Two action-packed game modes available. How will you use your power?
4,503件中65%が好評現在のプレイヤー: 0無料
Never Split the Party
Never Split the Party is an ultra social rogue-like! You're one of four adventurers joining together to explore a procedurally generated dungeon, amass powerful upgrades, and cooperate with your fellow adventures to conquer and crush the evil dungeon champions!
4,400件中76%が好評現在のプレイヤー: 0無料
Death Trash
Death Trash features a post-apocalyptic world where cosmic horrors long for humanity but meet punks with shotguns. It combines old-school role-playing, modern action gameplay and player freedom. Create your own character and explore a handcrafted world.
3,469件中91%が好評現在のプレイヤー: 0$19.99
Killsquad
Hack and slash? Check. Twin-stick-shooter? Check. 4 player coop to slay hordes of aliens & bosses with your friends? Check. Skills, upgrades, weapons, gears, talismans and more to make you stronger? Check. Wake up, bounty hunter. We have a mission for you. Time to clean up the scum of the galaxy.
2,838件中71%が好評現在のプレイヤー: 0$29.99
Feel The Snow
Choose one of the characters and start your journey. The game has many interesting things in store: building, crafting, puzzles, bosses, mystery, laughs, quests etc.
2,634件中85%が好評現在のプレイヤー: 0$12.99
Maelstrom
Command the seas in Maelstrom! Engage in fast-paced naval battles with powerful warships and colossal sea monsters. Customize your fleet and dominate the Abyssal Ocean. Are you ruthless enough to survive?
2,585件中83%が好評現在のプレイヤー: 0無料
Neon Abyss 2
Dive into the cybermyth roguelike chaos of Neon Abyss 2! Now featuring up to 4-player online co-op, more combat styles, and unlimited item synergies, every run delivers a dramatic, action-packed experience you won't forget.
2,289件中69%が好評現在のプレイヤー: 0$19.99
G2 Fighter / 基因特工
G2 FIGHTER is a Low Poly, third-person ARPG. Gameplay includes not only fast-paced shooting, but also role play, team fight, base construction and so many other elements. Step on unknown journey with Bern Pierron to seek for the truth of this chaos world.
2,252件中78%が好評現在のプレイヤー: 0$15.99
Dead Pixels
A toxic waste spill finds its way into the water supply, causing the recently deceased to rise from their graves. Now it's up to you to blast your way through the hordes of undead if you're going to escape the city. On the way to your rescue, you'll search stores and houses for supplies, and trade with other survivors.
1,989件中86%が好評現在のプレイヤー: 0$2.99
Salt
Salt is an open world exploration game where you sail from island to island looking for loot and new discoveries! Relax and explore at your own pace, picking a direction and setting sail across a vast ocean filled with quests, merchants, ruins, pirates, and other mysterious places.
1,958件中75%が好評現在のプレイヤー: 0$14.99
FORCED: Slightly Better Edition
FORCED is a challenging 1-4-player game with co-op at its heart! A mix of tactical arcade action, RPG elements and puzzles will forge you and your friends together. As slaves in the toughest gladiator school of them all, you will face a plethora of unique trials - designed to be your death!
1,778件中74%が好評現在のプレイヤー: 0$14.99
Expedition Agartha
Expedition Agartha is a high-stakes first person slasher. Loot ancient treasures, conquer mythological enemies, and extract to safety - alone or up to groups of three. Gear up and launch your expedition in the first and only medieval extraction looter available on Steam!
1,770件中62%が好評現在のプレイヤー: 0無料
Spellsworn
Enter a world of magic and battle, where your wits and reflexes will be pushed to their limits! Choose your spells, enter the ever-changing arena and prepare to obliterate all who stand in your way!
1,521件中89%が好評現在のプレイヤー: 0無料
Sairento VR
VR was made for this. Perform triple jumps, wall runs, power slides and slow time down while blasting away at a foe before landing to deliver a blade attack on another. Kit yourself with katanas, firearms, bows, throwing glaives and legendary relics. Keep upgrading as you play. PURE CYBER NINJA FUN.
1,450件中86%が好評現在のプレイヤー: 0$4.99