Simulation · Online co-op games to play together

880 Simulation · Online co-op games your group can play together online, including Anno 117: Pax Romana, Vivid World, and Midnight Heist.

All games: 24

Anno 117: Pax Romana

In Anno 117: Pax Romana, the genre-defining builder franchise returns with its most ambitious installment yet.

69%69% positive of 12,411 reviews2.3KPlaying now: 2,260$59.99

Vivid World

A follow-up to the hit game Vivid Knight, Vivid World is a completely new party-building, roguelike strategy game! Our story takes place in the Underworld, a land ruled by demons. Utilize and master our protagonist, Lemuria's new Jewel Magic to conquer strange dungeons.

86%86% positive of 597 reviews12Playing now: 12$19.99

Midnight Heist

Go on heists through Midnight City alone or with up to four players to fulfill tasks as a hacker for various organizations. Improve your reputation, earn money, and uncover the secrets of shady companies all while being hunted by terrifying entities.

92%92% positive of 389 reviews8Playing now: 8$4.99

Firehawk: FPV Drone Shooter

Fly a real FPV drone into battle. Dive, flip, and shoot your way through roguelite runs, endless swarms, and the clock, then take those skills into 10-player dogfights or 4-pilot co-op. True quadcopter physics, every crash is yours, and so is every kill.

90%90% positive of 532 reviews20Playing now: 20$19.99

Stone Simulator – Just Be a Rock

Stone Simulator is a meditative idle game where you live as a rock enduring endless seasons and absurd events. Survive storms, unlock quirky achievements, and observe a serene, ever-changing world. Perfect for Zen-like relaxation or meme-worthy humor.

94%94% positive of 1,569 reviews10Playing now: 10$3.99

VMX

Send it your way in VMX. Ride BMX, MTB, or scooters, throw down gesture-based tricks, session parks with friends, take on challenges, and customize your ride and style in an immersive multiplayer VR playground.

87%87% positive of 247 reviews2Playing now: 2$14.99

Sandwich Simulator

Ready to create your own world of flavor? Play solo or co-op with up to 8 players, prepare sandwiches with your friends, deliver online orders to the courier and run your sandwich restaurant. Clean, expand, and keep your customers happy!

75%75% positive of 937 reviews16Playing now: 16$4.99

EverRail

An open world survival craft game for 1 to 4 players, set on a frozen exomoon where your base is a train carrying the last of humanity, and standing still is slowly killing it. Fight, scavenge, and craft your way to a train 1,000 wagons long. But every death costs you a passenger.

67%67% positive of 390 reviews9Playing now: 9$14.99

Nightmare Drive

Survive the apocalypse behind the wheel. Drive endless Highways, scavenge parts to build and arm your vehicle, and plow through massive zombie hordes. Mount turrets, fortify your ride, and outlast the dead - Solo or Up to 4 Player Multiplayer co-op

77%77% positive of 183 reviews5Playing now: 5$14.99

Avakin Life

Avakin Life is an endless social world waiting for you. Live your dream life, from unique and customizable avatars to stylish fashion outfits and personalized dream homes. Hang out with friends, join parties, and embark on adventures in a world where you are in control of everything.

63%63% positive of 1,182 reviews200Playing now: 200Free

Island Beekeeper

Build your apiary on islands above the clouds, travel on your medocycle, crossbreed bees with unique traits and create a cozy home in the sky. Grow plants, explore islands and send healing honey down to Earth, where people still hope for your help.

71%71% positive of 202 reviews4Playing now: 4$11.99

Maid Cafe Coop

Become a cute maid in a maid cafe! Prepare to harness your inner moe energy by preparing and serving customers many different drinks and foods with proper Moe Moe Kyun~ hospitality, and unlock new ways to make them happier. Play singleplayer or with your friends!

99%99% positive of 111 reviews2Playing now: 2$12.99

Vampires: Bloodlord Rising

In this dark, open-world adventure, you awaken as a Vampire Lord. Build and customize your castle. Hunt for blood, fight, craft, and gather. Command your loyal servants. Shapeshift into a bat to explore the night and survive the relentless Inquisition, solo or in 4-player co-op.

69%69% positive of 1,712 reviews62Playing now: 62$19.99

Night Shippers

You signed up to deliver food in the underworld, alone or with up to 8 friends. Everynight your work condition changes. Take orders, dodge monsters, and survive the night - or be trapped in hell forever.

74%74% positive of 294 reviews9Playing now: 9$4.95

Hello Kitty Island Adventure

Embark on a cozy, open-world adventure with Hello Kitty and Friends. Befriend beloved characters as you explore and restore a mysterious island, solve ancient puzzles, cook delicious dishes, customize yourself and your cabins, and so much more.

93%93% positive of 9,904 reviews827Playing now: 827$39.99

Monster Care Simulator

Manage a care center for adorable monsters in Monster Care Simulator! Treat clients' creatures, hatch eggs, raise your own companions, and keep them happy with fun activities. Hire staff, expand your facilities, and customize your space to build the ultimate monster sanctuary!

91%91% positive of 650 reviews9Playing now: 9$12.99

Sledders

Deep snow snowmobiling with real physics. Ride licensed sleds from Lynx, Polaris, and Ski-Doo across massive open backcountry maps. Find your own lines, climb steep mountains, ride with friends online, and chase the perfect run in untouched powder.

95%95% positive of 4,441 reviews112Playing now: 112$29.99

Monster Prom 4: Monster Con

Can you find love at the nerdiest convention ever? "Monster Con" goes back to the multiplayer dating sim formula: go through absurd and funny situations as you find love among six sexy monsters! Who will you romance? The mimic who cosplays? The idol clown? Or the eldritch cutie? (There's also Liam)

98%98% positive of 1,918 reviews32Playing now: 32$14.99

DriveWave

Every keystroke powers your car across endless neon highways, from glowing deserts to midnight forests. Collect, customize, and embark on a driving journey, all while boosting your productivity.

85%85% positive of 154 reviews18Playing now: 18Free

Global Protocol: New World Order

Lead any of 221 countries through a living 2026 world in this data-driven grand strategy game. Shape economies, politics and alliances, wage conventional or nuclear war, run covert operations, and rewrite the global order—alone or online with up to seven friends.

73%73% positive of 102 reviews6Playing now: 6$19.99

World of Warships: Legends

Join this free-to-play PvP online naval shooter with fast-paced combat, easy-to-learn gameplay, intuitive controls, and cross-platform play on Steam, console, and mobile. Choose from 600+ warships and 150+ Commanders, and master tactics on diverse maps. Play now and become a legend!

63%63% positive of 792 reviews262Playing now: 262Free

The Karters 2: Turbo Charged

Get ready for the ultimate kart racing experience on Steam & Steam Deck! Inspired by Crash Team Racing, built with its own identity, advanced gameplay systems, tons of new features and massive modding support for endless replayability!

90%90% positive of 1,055 reviews17Playing now: 17$29.99

Project: Mist

Explore a strange island in this open-world survival horror. Use the Gravity Gun to manipulate objects and enemies, build a moving train base, fight giant creatures, catch critters, upgrade your gear, and uncover the dark secrets hidden within its abandoned facilities. Play alone or with friends.

73%73% positive of 304 reviews5Playing now: 5$11.69

Occupy Mars: The Game

Survive and colonize Mars alone or in online co-op. Build and upgrade your base, craft equipment, mine resources, produce water, oxygen and food, explore an open world, and repair complex machinery in a technical survival sandbox.

67%67% positive of 2,736 reviews87Playing now: 87$29.99

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