446 Difficult Action games your group can play together online, including City Climber, Zombie Party, and PERISH.
All games: 24
City Climber is a silly physics-based game about a floppy ragdoll climber, who has to save the world. Find your way through diverse hand-crafted environments and enjoy funny challenges full of falling and destruction.
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!
PERISH is a stylish 1-4 player FPS with a cross to bear. Slay hordes of creatures on the black sands of Purgatory and sell their gold-stained corpses to craven priests. Kill magnificent bosses and use the proceeds to gain entrance to Elysium, a place of cosmic revelations.
Micro Mages is a platformer developed for the original 8-bit NES console. Now on Steam! ROM included. Play solo or with up to 4 players simultaneously. Compete over score or cooperate to overcome challenging levels.
《Ghost Hunter》 is an online collaborative psychological horror game that can be played by at least one and up to five players together. Unlike other ghost hunting games, it incorporates rich Taoist elements and experiences traditional Chinese supernatural culture.
Chased by Darkness is a 1-4 players co-op survival horror. Your mission is to face supernatural entities and banish them to the spiritual plane. Explore, fight enemies and don't let the darkness reach you.
R-Type and R-Type II, the legendary coin-op space shooters, are now together on Steam!
A platform game so difficult and at the same time, so addictive that you will enjoy having to repeat a levels dozens of times until complete them.
Ninjin: Clash of Carrots is an anime-inspired beat-em-up with varied enemies and deep customization. Play as the rabbit Ninjin, or Akai, the ninja fox, and fight to retrieve the carrots stolen by Shogun Moe! Redeem carrots for weapons, upgrades and more! Supports 2-player online or local co-op.
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!!!!!]!!
TowerClimb is a difficult and rewarding procedurally generated platformer with roguelike elements. Enormous and mysterious towers of ancient unknown origin stand above humanity, extending to the heavens. Struggle forward as a weak human, driven by an iron will to reach the top.
Ars Notoria is an open-world survival crafting game set in a rich fantasy world. Learn six distinct schools of magic, gather resources, build your base, expand your influence, and stand against the ever-shifting threat of the Enthralled. You are the one destined to change the kingdom.
Aqua Kitty is a fast paced retro styled submarine arcade shooter with optional 2 player local Co-op.Blast through hordes of mechanical sea monsters in your kitty sub and defend the deep sea milk mining kittens!THE MILK MUST FLOW!
Awoken from death by The Rain itself, Bramble is tasked with bringing an end to the leaders of three rival tribes, and purifying their corruption against nature.
Control Craft 2 is a real time strategy game where you will have to act quickly against attackers who want to invade our planet! Wave after wave, your soldiers will overthrow the enemy colonies and will occupy enemy bases one after another.
MechDefender is an innovative fusion of two gaming genres - seamlessly blending the intense action of a top-down shooter with the strategic depth of tower defense.
Conduct, upgrade and repair your train through endless waves of enemies in a post-apocalyptic setting. In this action management roguelike, the player decides to embark on a journey through the wasteland looking to fulfill the dream of seeing the remains of the outside world.
EXOME is a co-op sci-fi survival shooter that blends wave-based survival with open-world exploration. Battle hordes of aliens, upgrade your arsenal, and uncover the hidden truths of the deep forest. Will you face it alone or bring your friends along?
Welcome to the psychedelic world of Vectronom: experience waves of color and a pulsing geometric path that changes with the beat! All set to a hypnotic electronic soundtrack. There’s only one thing to do: turn up the volume and go with the flow.
Skelly Selest is a score-attack hack slash dash run 'n' gun-athon. Venture into the procedurally generated perdition depths of Hell to purge the evil taint of the Deamonica Netherlords and their fiendly followers.
Destropolis is a top-down shooter game with a fully destructible environment, hundreds of enemies and nuclear explosions. Fight a countless swarm of enemies. Tear them to pieces with bullets, lasers and explosions. Destroy as many of them as you can before they overwhelm you...
Crisis VRigade is a virtual reality action filled first person shooter that lets players take on the role of a SWAT trooper and deal with terrorist situations. Play solo or team with your friends with the coop multiplayer mode.
You and up to three friends can tackle a separate 50-level campaign, timing explosive jumps together through traps, switches, cannons, and moving platforms.
A living prehistoric ecosystem that does not revolve around you. Shape the island as a god, or enter it as a human and survive while animals, weather, water, terrain and your own body change over time.