Online co-op Difficult games

Every online co-op Difficult game on Steam we know of, newest first. Add tags or a price band to narrow it down.

Showing 41–50 of 190 games matching Difficult · updated 12 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Up to 2 players
Reviews
70% of 47

Explore, craft, fight, build and survive in a mysterious cartoon world, haunted by a mysterious infection! Take control of Gombo, an enchanted creature and dive into an adventure full of magic. Play alone or in online co-op with a friend. Can you uncover the dark secrets of this colorful realm?

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
94% of 17

17.waves is an online co-op tower defense game for up to four players. Strategize with your teammates to build, upgrade, and maintain your towers to defend your base from hordes of invading aliens.

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$
Released
Price
$ · Cheap
Players
👥 Not stated

Become king... if your friends let you. Scramble through chaotic airships and floating debris to claim the crown, then survive one minute of bombs, panic, and betrayal before returning as an angel or devil spectator.

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$$
Released
Price
$$ · Standard
Players
👥 1–4 players
Reviews
88% of 780

Serpent’s Gaze is a punishing 1-4 player co-op third-person action game where you fight tough enemies and relentless bosses, all while uncovering the secrets of an ancient desert.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
88% of 1,228

Plunge into high-stakes punishment platforming in JUMP KING QUEST! Explore alone or fall together in dynamic online climbing action as you fight your way upwards on an unhinged quest to The Smoking Hot Babe at The Top. In this world, every ledge is a battlefield…

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
94% of 19

Reach the summit solo or with friends in this challenging physics-based 3D multiplayer platformer! Roll, jump, and climb through obstacles and traps across diverse biomes. Help each other out or send your rivals tumbling down... but whatever you do, don’t fall!

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
83% of 24

TOP-DOWN SHOOTER x HERO SHOOTER. Mixing the traditional elements of a team-based game with the arcade thrill of a twin-stick shooter. A super fast-paced game, where both your reflexes and your team’s positioning play a crucial role. Play the Singleplayer Story or join the 5v5 Online Multiplayer.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
82% of 604

In this survival horror, you're surrounded by sea and a towering gate ahead. Walk into the maze, hunt, gather, and run to survive, alone or with friends. Remember: You're not the only one starving...

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
66% of 3

A punishing physics-based co-op game where you and your friends must push a vehicle to the top of the world. Coordinate your moves and overcome brutal obstacles. With no checkpoints, one wrong push means starting over. Are you ready to reach the peak or lose your friends trying?

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