オンラインでみんなと遊べるアクション（2D）ゲーム840本。THE LAST BLADE 2、Touhou Crisis、No Heroes Hereなど。
すべてのゲーム: 24
This widely revered NEOGEO masterpiece is finally available on STEAM! Not only a perfect port of the original game, the STEAM version of THE LAST BLADE 2 will allow players from across the globe to fight against each other online / locally in epic battles in online Multiplayer Mode.
Classic arcade nostalgia and modern-indie design collide in this shooting-gallery boss battler! Play as a one-man army in offline solo OR bring a friend in online co-op/versus mode! Supports Mouse AND Lightgun play!
No Heroes Here is a frantic co-op game for 1 to 4 players, available in local and online modes. Craft and use several items effectively whilst coordinating your ragtag band of non-heroes to defend castles and survive! ...Oh, as well as saving the Kingdom in the meantime!
Crash-land in the psychedelic world of Super Cane Magic ZERO, a local co-op Action RPG for 1 to 4 players! Immerse yourself in the mind-bending Story Mode or pummel your friends in 8 local Battle Arenas. Smash! Loot! Eat Rocks! Fight a really big fridge!
A malevolent force known only as Lina is devouring data from a vast, interdimensional network of servers overseen by sentient computers called ”motes.” In desperation, the motes summon heroes from a variety of parallel game worlds to face off against each other in one-on-one combat.
Zombie Party is a retro rampage of fun and over-the-top action, while still giving the players a deep and engaging Action-RPG Rogue-like experience! Go on a time traveling adventure, or delve deep into procedural dungeons full of gold, loot, and secrets!
Surf as far as you can. Through the oceans, caves, snowy hills and deserts full of sand.
KNIGHT CLUB + Is a casual 2-4 player action platform-fighting game that brings traditional fighting game elements into an unlocked, free form movement playstyle.
A modern take on the classic arcade arena shooter. Taking inspiration from an entire generation of action games, Iron Fisticle builds on classic titles like Gauntlet and Robotron while adding over 100 collectible items, an RPG style upgrade system and local multiplayer.
Fireboy & Watergirl are back! This time with fairies to help you!
Summer Catchers is an epic story that combines an endless runner with inventory management. Set your goals, complete tasks and stock up on gear to get as far as you can and advance this charming story full of strange and wonderful characters.
The original Coq of War returns in a glorious explosion of finger-licking fun; with enhanced controls, new upgrade systems, a full single player campaign in “Part 1: The Cockup” with full VO and OST - and a 1- 4 player campaign in “Part 2: The Rescue” with procedurally generated maps.
Welcome to Spooky Station! Prepare to be amazed and bewildered by our enigmas and puzzles, afraid of our deadly enemies and extremely challenging bosses. Tons of exciting stories and distinct fictional worlds await for you in this mysterious pack!
Corgi Warlock is a 1-4 player side-scrolling fantasy action game, where one brave Corgi will take on the Skeleton Bunny King's army! Against the power of Narwhals, Fencing Bears, and Crazed Unicorns, it takes more than your average Corgi to survive the King's onslaught... it takes a CORGI WARLOCK.
8 KONAMI arcade classics of the 80s, from Nemesis to TwinBee. Including bonus eBook packed with new information never before revealed to the public.
Search for the legendary lost artifact Nienix through galaxies in conflict! An open world space action RPG adventure that can be played both alone and together!
Lost Lives is a multiplayer 2D shooter with RPG elements set in the post-Soviet wasteland. Fight players in PvP or stand against hostile factions in co-op and endless survival. Hunt for loot, sell it for profit, and build a loadout that fits your playstyle. The right gear means life or death.
Formicide is a fast-paced 2D online platformer with a lineup of versatile classes. Think Worms meets Team Fortress 2. Face off with teammates against enemies in destructible environments with the weapons and abilities at your disposal.
R-Type and R-Type II, the legendary coin-op space shooters, are now together on Steam!
With its own unique battle system and a wide selection of characteristic angels, the girls are appearing on Steam for the first time in [Arcana Heart 3 LOVE MAX!!!!!]!!
DAMNOSAUR is a chaotic arcade shooter that combines colourful anime with the Dino-apocalypse! Fight alone, or with a friend to take down these monstrous dinosaurs.
Exoblast is a mix of shoot’em up and arcade game, pimped with synthwave and pixelart. Choose your pilot, your ship and join the arena to confront other players in nervous and punitive matches. Impose your gameplay and reach the top of the tower!