オンラインでみんなと遊べるアクション（2D）ゲーム840本。Life On A Pizza、Kawaii Deathu Desu、Jamestown+など。
すべてのゲーム: 24
You are no longer the eater; you are the eaten. Play as toppings trying to survive on a pizza from the hungry Jaw biting its way to you and the ants pushing you to your delicious death. Customize the pizza, pick a mode and your topping, then hop in this hysterical party or solo game.
In Kawaii Deathu Desu, supernatural beings find themselves incarnated as cute japanese idols! Pick a supernatural idol and beat the hell out of - no pun intended - as many overzealous fans as you can in this addictive beat'em up as you work your way up to claim the throne of the underworld!
Set sail for 17th-century British Colonial Mars in Jamestown+: a cooperative shoot-em-up for 1-4 brave souls, designed to be exciting for players of all skill levels.
Control Craft 3 is a fast paced RTS which brings together quick thinking and clever tactics for some veritable planet conquering action!
Ooglians are coming! Nothing excites an ooglian more than smashing machinery. Protect your machinery with more machinery which attracts even more ooglians. How unfortunate.
In a world controlled by blade, magic, and fist, diverse warriors gather for battle! This is a 2D fighting game featuring characters from Shining Blade and Shining Hearts.
Asterix & Obelix, return in a new adventure full of slaps! Play as Asterix and Obelix and cross the most iconic landscapes of the saga while facing a host of enemies, in a Beat Them Up filled with action ... and slaps!
Cannibal Crossing is an action-survival game where you explore the randomly generated town of Earlsboro while scavenging, fighting hordes of enemies, building a base, and searching for a way to escape! Meet survivors with new abilities and lots of cannibals. Includes a co-op mode for 1-4 players!
SNK 40th Anniversary Collection is the ultimate collection of classic arcade games from SNK's golden age with 24 different nostalgic titles back from the 1980s, and many bells and whistles for the best game experience on Steam!!
Pro Jank Footy is an over-the-top arcade comedy-sports game. Score goals to unleash game-changing power-ups, build a deck of absurd abilities, and tackle a season where no two matches are ever the same—solo or with your mates.
Ascendant is the unforgiving beat 'em up in which you are a demigod invading a world controlled by your rivals. Choose your fate by discovering Blessings, equipping mighty weapons and spells, and learning to survive in this brutal realm. Only the most impressive warriors have a chance of victory.
Is Bubsy a celebrated icon from the mascot wars of the early 90s or a platforming punchline? Bubsy in: The Purrfect Collection explores the franchise's troubled history and enduring popularity. A playable history that includes games, artifacts and interviews. What could possibly go wrong?
A symbiotic Flower and Wasp struggle to complete their lifecycle, in a challengingly twisted arcade experience. Control both characters at once in mind-bending Single Player, or team up with a friend in hectic Local Co-Op. Master the symbiotic duet, devour the swarm, and ascend the leaderboard.
ONE MORE LINE is a highly addictive, one button, space disco, skill timing game! Steam edition features 2-4 player local multi-player and no advertising. All for a very low price! Can you put a price on fun though?
CAN YOU SAVE THE SCIENTISTS ON APOXUS PRIME?PixelJunk™ Shooter Ultimate is a twin-stick shooter with equal elements of action and puzzle solving.
An addictive mix of lightning-fast puzzle battles, powerful storytelling and immersive visual novel elements, The World Next Door follows Jun, a rebellious teen girl trapped in a parallel realm inhabited by magical creatures, who must find her way home before time runs out.
You're outnumbered, low on ammunition and the paranoia sets in. This is an action horror-world where enemies get power-ups and you don’t.
After the shipwreck in Africa, Bud and Terence save a village from criminals and make their way home on a raft loaded with bananas. But of course it wouldn't be a Bud and Terence adventure if everything went according to plan.
Poosh XL is a neon-infused, one-button arcade score chaser where precision and timing are everything. Launch yourself past obstacles, collect powerups, and climb the leaderboards in this fast-paced, endlessly challenging game. Simple to learn, hard to master, perfect for quick, addictive gameplay!
Ballistic Tanks is the best tank game you've played since the 80's. Battle in exhilarating local multiplayer, or challenge yourself in an intense solo/co-op arcade mode. Play 5 game modes in over 50 maps; and destroy your enemies in a frenzy of bullets, lasers, and explosions!
Fighties is a fast paced 2D platform fighter. Choose from a wide selection of Fighties each with their own unique play style. Beat down your opponents to become the strongest Fightie of them all.
Cobalt WASD is a multiplayer bomb-defusal action platformer with grenades that stop time. Blast your way to the bomb site or repel the assault! Use teleporter guns, grappling hooks, sticky sentry turrets and quick tactical thinking to lead your team to victory! Play online or against AI!