Simulation · Base Building · Sandbox games to play together

130 Simulation · Base Building · Sandbox games your group can play together online, including Waterpark Simulator, Scrap Mechanic, and Alchemy Factory.

All games: 24

Waterpark Simulator

Build and run your own waterpark solo or with friends. Design slides, send guests flying with ragdoll physics, manage staff, and fully customize your park. Turn total madness into a diamond five-star empire in this first-person management simulator!

96% positive of 13,927 reviewsPlaying now: 1,876$12.99

Scrap Mechanic

Enter the creative paradise of Scrap Mechanic! Build fantastic machines, go on adventures with your friends and defend against waves of evil Farmbots in this imaginative multiplayer survival sandbox. With Scrap Mechanic’s powerful creation tools you can engineer your own adventures!

91% positive of 109,897 reviewsPlaying now: 1,375$28.99

Alchemy Factory

Start small, team up with friends, and automate production with conveyor belts, pipes, and magical devices. Stock your shop with potions, jewelry, and relics, complete commissions, and build an alchemy empire! Alchemy Factory 1.0 is out now with the Wagon Logistics System and revamped shopkeeping.

87% positive of 2,808 reviewsPlaying now: 2,359$17.99

Nomad Drive

Repair your rundown RV and hit the road solo or in 1–4 player co-op through a procedurally generated post-apocalyptic world. Gather resources, customize your RV, and survive as long as you can.

82% positive of 209 reviewsPlaying now: 1,606$13.49

Frutiger Home

Decorate your dream frutiger home in this cozy co-op frutiger aero house decorating game. Pick a home layout, add from a wide range of frutiger-themed decor and hang out with your friends!

96% positive of 277 reviewsPlaying now: 23$4.99

Ore Factory Squad ⛏️

Ore Factory Squad is a co-op mining and factory-building game with procedural mining and fun at its core! Play alone or with friends, buy properties, dig deep for valuable resources, complete contracts, upgrade and automate production lines and grow your factory from zero to industry!

87% positive of 1,896 reviewsPlaying now: 217$9.35

Eden Crafters

Eden Crafters is a solo or co-op open-world survival, crafting, and factory-building game where you transform a hostile planet into a habitable haven for humanity. Build, automate, and terraform. Control the climate, create a breathable atmosphere, and turn toxic lakes into water: shape a new world!

84% positive of 2,595 reviewsPlaying now: 631$9.99

Solarpunk™

Solarpunk is a survival game in a technologically advanced world of floating islands. Alone or together with your friends, you can construct buildings, grow food, craft gadgets and hop on your airship to explore distant islands in the sky.

80% positive of 3,752 reviewsPlaying now: 556$22.99

Astro Colony

Astro Colony throws you into an endless Universe of exploration, automation and survival! Build interconnected colonies, alone or with friends, and turn planets into thriving industrial hubs! Design conveyor systems and take care of your Astronauts as you expand your intergalactic empire!

80% positive of 2,436 reviewsPlaying now: 189$19.99

Soulmask

Don the Ancient Mask. Wield the power of gods. Possess any of your tribespeople, recruit followers, and build a thriving automated civilization. Survive, expand, and forge your own legacy across a vast ancient open world — together with friends.

75% positive of 18,611 reviewsPlaying now: 1,624$17.99

Outworld Station

Take the helm as a new Station Commander and exploit an alien star system in this stunning space-station factory automation game. Amass resources and construct starships using increasingly advanced manufacturing and expand your station in a hostile universe.

83% positive of 855 reviewsPlaying now: 50$18.99

Piworld

A free multiplayer pixel survival game. Start with nothing and take everything: fish, farm, build a home, fight bosses and other players. The map gets wiped, but your character keeps its progress.

78% positive of 211 reviewsPlaying now: 9Free

StarRupture

StarRupture is a first-person open world base-building game with advanced combat and tons of exploration. Play alone or in a group on this sublime and ever-changing planet, extract and manage resources, create your complex industrial system and fight off hordes of alien monsters.

80% positive of 12,566 reviewsPlaying now: 1,145$19.99

VEIN

VEIN is a post-apocalyptic survival multiplayer sandbox game. Gather supplies to survive, explore abandoned buildings, defend your home, and rebuild society, whether alone or with friends.

86% positive of 12,212 reviewsPlaying now: 1,218$19.99

Abiotic Factor

Abiotic Factor is a survival crafting experience for 1-6 players set in the depths of an underground research facility. Caught between paranormal containment failure, a military crusade, and chaos from a dozen realms, the world’s greatest minds must survive against the universe’s biggest threats.

94% positive of 42,834 reviewsPlaying now: 2,527$34.99

Stronghold Crusader: Definitive Edition

Gird your loins and sharpen your steel! Besiege 20 unique enemy lords and battle friends online, in this expanded remaster of the classic 'castle sim'. Relive history with new units, opponents, visuals, audio, campaigns, skirmish trails, co-op and larger maps.

92% positive of 10,877 reviewsPlaying now: 2,558$19.99

OxyRail

Oxygen Train is an open-world survival train game. Wake up in a world lacking oxygen. Chop trees, mine, gather resources, upgrade your unique train. Survive by planting, fishing, farming, exploring, fighting. Build your train kingdom. Supports 1-16 online co-op.

80% positive of 1,160 reviewsPlaying now: 119$14.99

Mall Rivals

Competitive mall simulation. 1-8 players open stores in the same mall, fight for customers, crush rivals. Team up or go solo. Fair play or dirty tricks? Your call. Procedural maps, employee system,mall cops, smugglers and physical mechanics.

75% positive of 217 reviewsPlaying now: 13$14.99

Outbound

Explore a colorful world and build your own cozy home on wheels. Craft workstations, and source energy from the sun, wind, or water. Upgrade and customize your vehicle, grow crops, and live sustainably off-grid with up to 4 players.

72% positive of 1,869 reviewsPlaying now: 97$24.99

Desynced

Desynced is a sci-fi strategy game with fully customizable units and behaviors. Gather, build, research, and explore the unknown. Alone or with friends, unveil the mystery of an AI on the edge of self-awareness and uncover the hidden truth in this blend of strategy, automation, and exploration.

79% positive of 1,911 reviewsPlaying now: 63$20.99

Moonshiner Simulator

Moonshiner Simulator is an in-depth spirits production simulator. Start from the bottom and build your operation into a thriving empire by mastering the intricacies of the craft and creating unique recipes. But beware – there will always be those who want to see you fail.

86% positive of 143 reviewsPlaying now: 7$17.99

Territory: Farming and Warfare

From a small village of a dozen people to a small kingdom of thousands of people. Arrange for residents to work, gathering, fishing and hunting, farming and mining, processing and manufacturing. Trade, accumulate supplies, increase your strength, and fight evil forces and monsters.

84% positive of 746 reviewsPlaying now: 23$14.99

Farm Together 2

Grow your own farm all by yourself, or cooperate with your friends in the long awaited sequel to the cozy, relaxing farming experience!

93% positive of 4,521 reviewsPlaying now: 1,254$25.99

Voidtrain

Become a crew member of an Interdimensional Express Train! Discover a new world full of mysterious creatures, enemies and places. Upgrade and customize your train, gather new materials and build better weapons. Play solo or online сo-op with up to 4 people.

73% positive of 8,816 reviewsPlaying now: 531$29.99