オンラインでみんなと遊べる基本プレイ無料（2D）ゲーム285本。Nexus Legacy、Crazy Oddballs: Idle RPG、Pool Blitzなど。
すべてのゲーム: 24
Rebuild civilization from a single planet in Nexus Legacy, a persistent sci-fi 4X MMO. Colonize worlds, manage resources, research technologies, command fleets, forge alliances, and fight for control of a living galaxy.
Build your oddball team, grind endless loot, and optimize ridiculous gear combinations in a chaotic idle RPG with guild battles, PvP, and long-term progression.
Join millions of players online in the No.1 Cross Platform pool game! Experience stunning visuals, realistic physics, and fast-paced modes like 8-Ball, 9-Ball, and Blitz. Challenge friends, master trick shots, and climb the leaderboards - new to Steam!
DEADSWITCH COMBAT is a fast-paced 2D multiplayer shooter. Experience action-packed combat with hundreds of weapons, vehicle combat, and plenty of team-based game modes.
Exciting quiz game where you can test your knowledge, compete with friends and smart bots, and explore a variety of topics!
ONCE UPON A GALAXY is an easy to learn Card Battler with incredible strategic depth and near infinite fun! Which of your favorite characters from myth and fairy tale will you choose?
Collectible cards meets tactical strategy! Collect cards, build decks, and challenge players head to head on a Tactical Game Board. Play as Vikings, Pirates, Ninjas and more!
Vanquish the Kaiser's Imperial Fleet using timing, tactics and telegraphy in MORSE, a minimalist strategy game that teaches you the secret language of Morse code. Can you change the world with the push of a button?
A next-generation rhythm game where story and music intertwine. Enjoy a tracklist filled with famous licensed songs and exclusive original songs made by renowned composers Discover an immersive story, and face endless challenges. Your performance will dictate the fate of the world.
Strawberry chocolate" is a "Bang Dream" Doujin Game. It's a pixel style RPG, Players will operate Anon and Taki in different game worlds to carry out crazy adventures, and the cute and loving interaction between the two is the game's greatest charm ......
Wires and Whiskers is a local co-op action-puzzle game where two players control a lab-engineered gerbil and its magnetic exosuit. Work together to fight mutated enemies, solve magnetic puzzles, and survive in a ruined, post-apocalyptic trench world.
Characters from the hit anime series "Puella Magi Madoka Magica" come together! Featuring an all-new story setting and characters from the original ideas of Gekidan Inu Curry (Doroinu), experience the action alongside Magical Girl memories in this battle RPG!
Get in on the casual party card game where every hand is a chance to roast your friends! Slap them down with the higher cards, blast them with mocking stickers, or drop emotes they won’t forget. Dress to impress and make your way to the crown. Who’s the real king now?
DRAGON BALL GEKISHIN SQUADRA is Dragon Ball's first team-oriented free to play game.
The year is 2182, but the engine is from 2003. Join the Falling Falcons in a massive tactical deathmatch RP fest held together by spaghetti code and duct tape. Build bases, perform surgery, or evolve as the Hive. It's laggy, it's complex, and it is the most fun you will have dying in space.
Discover the world's best Casino Slots Games! Play slots with unique game mechanics, explore amazing mini-games and master your casino skills!
Cards, the Universe and Everything is a unique trading card game with almost limitless possibilities: Dinosaurs, Norse gods, blue-footed boobies, Samurai, volcanoes, even the god particle. With the universe’s thingamabobs and endless strategies, are you ready for this gloriously bonkers game?
Strinova is an anime-style third-person tactical competitive shooter. Switch freely between three-dimensional and two-dimensional forms in this one-of-a-kind game that offers a unique tactical shooting system for an unparalleled experience.
🐱 Discover 100 hidden cats 🌍 in handcrafted scenes that capture the spirit of each country. Relax with color-by-numbers 🎨 and bring illustrations to life. Play solo or in cozy co-op 👯♂️, while Meow FM 🎶 sets the mood.
Explore familiar stories with Sherlock Holmes! Solve mysteries, find hidden objects, and play match-3 puzzles to restore classic tales. Join clans, take part in events, and uncover secrets across hundreds of detailed levels — the magnifying glass is in your hands!
Challenge yourself and master 4 Distinct worlds with 66 finely tuned level screens and climb to the top of the Steam Leaderboards in this retro pixel art speedrunning platformer!
This is a free multiplayer PvP strategy game that incorporates rogue-like and auto chess elements, players need to equip their auto-battling heroes with the right treasures and skills to ultimately defeat all other players and become the champion.
Try the legendary Texas Poker! Enjoy a real casino atmosphere and superior 3D graphics. Jump into a world of excitement, challenge other players, and show you're a true winner!