KitHack Model Club
Developed by the creator of the original Kerbal Space Program, KitHack Model Club is a physics-based model building sandbox that offers limitless…
74% of 611 Steam reviews are positivePlayers online now: 1$19.99
Co-op games like SimplePlanes 2
Chasing that replayable and chaotic feeling you got from SimplePlanes 2? You will find a few strong contenders among these co-op games. Sharing the fun is easy with these picks.
KitHack Model Club
Developed by the creator of the original Kerbal Space Program, KitHack Model Club is a physics-based model building sandbox that offers limitless freedom for you and your friends. Design, build, battle, fly (and crash!) your very own RC vehicles, or experiment with over 2,400 ready-made vehicles!
Replayable, Chaotic, Competitive
74% of 611 Steam reviews are positivePlayers online now: 1$19.99Stormworks: Build and Rescue
Stormworks: Build and Rescue lets you and co-op friends design block-based boats, helicopters, submersibles and more, then crew them together across storms, fires and rig repairs. Build in creative mode, run a rescue service in career, or grab Workshop vehicles when you want to skip straight to the saving people part.
Replayable, Chaotic
90% of 55,187 Steam reviews are positivePlayers online now: 1,414$24.99Trailmakers
Build cars, boats, planes and strange hybrids block by block, then take them out with co-op friends across land, sea, air and space. The Pioneers campaign, sandbox maps, races and PvP battles all run for 2-8 players, so there is always something to build toward together.
Replayable, Chaotic, Competitive
92% of 34,651 Steam reviews are positivePlayers online now: 1,721$24.99Nuclear Option
Team up in the cockpit for near-future air war: join a public lobby with co-op friends, pick from thirteen aircraft and helicopters, and fly sorties against AI across huge maps. Split roles, cover each other, and work through ground, air, and sea targets together, nukes included.
Replayable, Chaotic, Competitive
95% of 10,975 Steam reviews are positivePlayers online now: 448$19.99Approximately Up
Build a spaceship out of thousands of parts, climb aboard in first person, and launch it with up to three co-op friends. Approximately Up pairs sandbox shipbuilding with a 200-hour mission story across 15 planets, where every backward thruster and missing cable is your crew's problem to solve.
Replayable, Chaotic, Relaxing
93% of 1,177 Steam reviews are positivePlayers online now: 266$18.74From the Depths
Build absurd warships block by block with co-op friends, then sail them into battle against eight factions. From the Depths is a voxel naval sandbox where you design everything from cannons to AI, and every lost block changes how your creation moves and fights.
Replayable, Chaotic
89% of 11,122 Steam reviews are positivePlayers online now: 523$24.99VTOL VR
VTOL VR puts you and your co-op friends in near-future jets where you flip every switch by hand. Team up for PVE missions or face off in PVP, run carrier launches, refueling, and strike runs together, and build custom missions to share. Straightforward to join, tricky to master, and great with a wingman.
Replayable, Competitive
98% of 20,033 Steam reviews are positivePlayers online now: 204$29.99TerraTech
Build blocky tanks, trucks and planes with co-op friends, then drive them across an open planet to strip-mine, scrap rival prospectors and steal their parts. Co-op Campaign and Creative let you build together, while Deathmatch and Sumo let you smash those creations against each other.
Replayable, Chaotic, Competitive
92% of 20,681 Steam reviews are positivePlayers online now: 372$6.24AirportSim
AirportSim puts you on the tarmac as ground crew at four real airports, guiding and turning around licensed Airbus and Boeing jets with co-op friends. Split the jobs, drive the trucks, load the bags, and get that plane out on time.
Relaxing
67% of 1,425 Steam reviews are positivePlayers online now: 8$34.99Sky Rogue
Sky Rogue is a bright, arcade flight combat roguelite where you and a co-op friend share a split screen, pick jets, load them with missiles, guns and bombs, and blow up targets across procedurally generated islands. Death ends the run, so every sortie counts.
Replayable, Chaotic
92% of 1,066 Steam reviews are positivePlayers online now: 4$19.99Airships: Conquer the Skies
Build ridiculous steampunk airships plank by plank, then fly them into battle with co-op friends. Design together, run a Conquest empire together, or pit your creations against each other and the AI online or over LAN.
Replayable, Competitive
95% of 6,230 Steam reviews are positivePlayers online now: 111$12.49Anymaker
Build vehicles from the ground up and drive them across a hostile open world. Scavenge parts, tools and supplies, engineer your chassis, engine, wiring and controls by hand, and fight off wildlife, the undead and rival survivors. Play Survival solo or in 6-player co-op, or build freely in Sandbox.
Replayable, Chaotic
55% of 384 Steam reviews are positivePlayers online now: 40$24.99
Cheaper than SimplePlanes 2
Approximately Up
Build a spaceship out of thousands of parts, climb aboard in first person, and launch it with up to three co-op friends.
93% of 1,177 Steam reviews are positivePlayers online now: 266$18.74
Airships: Conquer the Skies
Build ridiculous steampunk airships plank by plank, then fly them into battle with co-op friends.
95% of 6,230 Steam reviews are positivePlayers online now: 111$12.49
Besiege
Besiege is a physics building game about medieval machines that smash armies and castles.
95% of 48,209 Steam reviews are positivePlayers online now: 170$14.99
Construction Simulator 2015
Grab up to three co-op friends and run one shared construction company across an open map of towns, fields and highway.
79% of 4,601 Steam reviews are positivePlayers online now: 19$14.99
Puffin Planes
A casual airline management game set on Earth and Mars. Supports singleplayer and Steam co-op.
94% of 346 Steam reviews are positivePlayers online now: 3$11.99
IL-2 Sturmovik: 1946
IL-2 Sturmovik: 1946 bundles the whole original IL-2 series plus 1946 alternate-history campaigns into one package with 229 flyable aircraft.
88% of 2,679 Steam reviews are positivePlayers online now: 26$9.99
Sky Gamblers: Storm Raiders
THIS IS THE ULTIMATE WWII AIR COMBAT GAME! You’ll participate in visceral dogfights, protect cities and fleets, bomb enemy structures and even fly…
79% of 239 Steam reviews are positive$9.99
Forts
Forts is a 2D physics strategy game where you and co-op friends build a fort in real time, bolt on guns from machine guns to plasma, and try to drop…
92% of 21,390 Steam reviews are positivePlayers online now: 489$8.99
ShipCrafter
Build a voxel warship with co-op friends, then take it into a campaign with more than 50 missions to liberate Europe.
91% of 389 Steam reviews are positivePlayers online now: 39$7.99
IL-2 Sturmovik: Battle of Stalingrad
IL-2 Sturmovik: Battle of Stalingrad is a realistic World War II combat flight sim set over Stalingrad, and a solid pick for co-op friends who want…
79% of 8,819 Steam reviews are positivePlayers online now: 361$7.49
Sky Knights
Prove your skills as a pilot in this action-packed multiplayer dogfighting game.
92% of 374 Steam reviews are positive$9.99
Hidden gems like SimplePlanes 2
Approximately Up
Build a spaceship out of thousands of parts, climb aboard in first person, and launch it with up to three co-op friends.
93% of 1,177 Steam reviews are positivePlayers online now: 266$18.74
ShipCrafter
Build a voxel warship with co-op friends, then take it into a campaign with more than 50 missions to liberate Europe.
91% of 389 Steam reviews are positivePlayers online now: 39$7.99
Mars First Logistics
Build ridiculous rovers with co-op friends and haul awkward cargo across Mars.
94% of 3,561 Steam reviews are positivePlayers online now: 41$19.99
Puffin Planes
A casual airline management game set on Earth and Mars. Supports singleplayer and Steam co-op.
94% of 346 Steam reviews are positivePlayers online now: 3$11.99
Brickadia
Brickadia is a brick-building sandbox where you and co-op friends build cities, vehicles and working contraptions together in real-time, then turn…
81% of 1,289 Steam reviews are positivePlayers online now: 64$19.99
Archean
Archean is a first-person engineering sandbox where you and co-op friends gather ore, craft parts, and build planes, boats, and spacecraft that fly…
87% of 247 Steam reviews are positivePlayers online now: 11$19.99
Korea. IL-2 Series
A Korean War flight sim with early jets and props, built for shared sorties.
74% of 514 Steam reviews are positivePlayers online now: 74$59.99
Nuclear Option
Team up in the cockpit for near-future air war: join a public lobby with co-op friends, pick from thirteen aircraft and helicopters, and fly sorties…
95% of 10,975 Steam reviews are positivePlayers online now: 448$19.99
HOT WHEELS UNLEASHED™ 2 - Turbocharged
Over 130 Hot Wheels cars, monster trucks, bikes, and ATVs racing on giant tracks built through backyards and mini-golf courses.
77% of 987 Steam reviews are positivePlayers online now: 29$39.99
KitHack Model Club
Developed by the creator of the original Kerbal Space Program, KitHack Model Club is a physics-based model building sandbox that offers limitless…
74% of 611 Steam reviews are positivePlayers online now: 1$19.99
Scrap Mechanic
Crash-land as a robot mechanic on a farm planet gone wrong, then team up with co-op friends to build vehicles, grow crops, and hold off waves of…
92% of 109,971 Steam reviews are positivePlayers online now: 1,152$28.99
ATMOSFAR
ATMOSFAR is an open-world survival-craft game set among floating islands on planet Tycos, playable solo or in online co-op for up to four.
68% of 681 Steam reviews are positivePlayers online now: 308$24.99
Newest co-op games like SimplePlanes 2
ATMOSFAR
ATMOSFAR is an open-world survival-craft game set among floating islands on planet Tycos, playable solo or in online co-op for up to four.
68% of 681 Steam reviews are positivePlayers online now: 308$24.99
ShipCrafter
Build a voxel warship with co-op friends, then take it into a campaign with more than 50 missions to liberate Europe.
91% of 389 Steam reviews are positivePlayers online now: 39$7.99
Approximately Up
Build a spaceship out of thousands of parts, climb aboard in first person, and launch it with up to three co-op friends.
93% of 1,177 Steam reviews are positivePlayers online now: 266$18.74
Korea. IL-2 Series
A Korean War flight sim with early jets and props, built for shared sorties.
74% of 514 Steam reviews are positivePlayers online now: 74$59.99
Scrap Mechanic
Crash-land as a robot mechanic on a farm planet gone wrong, then team up with co-op friends to build vehicles, grow crops, and hold off waves of…
92% of 109,971 Steam reviews are positivePlayers online now: 1,152$28.99
Territory Control 2
A 2D multiplayer sandbox game revolving around industry, innovation, factions, combat and emergent gameplay.
76% of 91 Steam reviews are positive$19.99
The Front
The Front is a post-apocalyptic open-world survival crafter where you and co-op friends team up as time-traveling resistance fighters.
66% of 9,526 Steam reviews are positivePlayers online now: 37$19.99
Wreckreation
Wreckreation is an evolving open-world driving playground built around choice.
63% of 365 Steam reviews are positivePlayers online now: 1$39.99
Mars First Logistics
Build ridiculous rovers with co-op friends and haul awkward cargo across Mars.
94% of 3,561 Steam reviews are positivePlayers online now: 41$19.99
Lost Skies
Build a flying home with co-op friends and sail it between floating ruins in Lost Skies.
62% of 2,488 Steam reviews are positivePlayers online now: 30$24.99
Brickadia
Brickadia is a brick-building sandbox where you and co-op friends build cities, vehicles and working contraptions together in real-time, then turn…
81% of 1,289 Steam reviews are positivePlayers online now: 64$19.99
Nautikin Adventures
Nautikins rule a vibrant ocean world! Build boats, planes, helicopters, and more to explore islands filled with wonder and peril.
87% of 23 Steam reviews are positive$29.99