Base Building · Sandbox games to play together

218 Base Building · Sandbox games your group can play together online, including Generation Zero®, Volcanoids, and Evospace.

All games: 24

Generation Zero®

Generation Zero is a stealth-action shooter where you wage guerilla warfare against lethal mechanical enemies. Explore a vast open world map inspired by the Swedish Cold War era, take part in the resistance alone or with up to three friends in seamless co-op.

75% positive of 29,209 reviewsPlaying now: 255$4.99

Volcanoids

A base-building open-world survival shooter that replaces your typical base with a giant drill. Alone or with friends, explore an island plagued by eruptions, upgrade your drill, and fight robots to uncover what's been hiding beneath the surface.

82% positive of 7,694 reviewsPlaying now: 42$19.99

Evospace

Contribute to the colonization of the universe. Get and process resources, develop your technologies. Achieve complete automation and build a portal to include another planet in the chain of worlds.

83% positive of 353 reviewsPlaying now: 16$14.99

Citadel: Forged with Fire

This massive online sandbox RPG features elements of magic, spellcasting, building, exploring and crafting. As a newly minted apprentice of the magic arts, you will set off to the dangerous world of Ignus. Tame mighty beasts, forge alliances, explore uncharted territories or fight for dominance!

67% positive of 5,004 reviewsPlaying now: 5$14.99

The Colonists

Build a new home for your team of robots as they begin a new life for themselves on a distant planet where they can fulfil their ultimate dream: to be human.

85% positive of 1,056 reviewsPlaying now: 23$24.99

Project 5: Sightseer

Open world multiplayer sandbox/RPG game. Explore, gather, build, research, and fight to protect what's yours -- by yourself or together with your friends.

72% positive of 551 reviewsPlaying now: 3Free

TrenchesWIP

Multiplayer combined-arms first-person shooter set in an alternate history. Build and upgrade bases, harvest resources, construct defenses, purchase weapons and vehicles to overcome the enemy!

72% positive of 1,622 reviewsPlaying now: 1Free

Dig or Die

Crash land on a hostile planet where you'll have to build the strongest defenses if you wish to live to escape from it. But be warned... this planet is merciless. Build strong, and smart; else physics may flood or destroy your only hopes of survival.

90% positive of 3,863 reviewsPlaying now: 5$11.99

Stationeers

Stationeers puts you in control of the construction and management of a space station to run by yourself or online with your friends. Complex atmospheric, electrical, manufacturing, agriculture, and gravitational systems require your thought and management at all times!

87% positive of 8,656 reviewsPlaying now: 415$34.99

Eco

Build a civilization of real people, working together to advance society and stop a meteor, all without destroying the ecosystem in the process.

79% positive of 11,404 reviewsPlaying now: 226$29.99

Stronghold 2: Steam Edition

Tax, torture or treat your peasants! Rehabilitate criminals or sentence them to death? Decide as you enjoy jousting over a lavish banquet, all while under siege from the warmongering Lord Barclay.

88% positive of 4,935 reviewsPlaying now: 333$14.99

Niffelheim

Your avatar is a brave warrior who has fallen in battle. But instead of well-deserved peace in Asgard, his soul is trapped in the harsh world of Niffelheim. Survive in this hostile world, ransack the neighbor lands, explore dangerous dungeons and find your way to Valhalla

73% positive of 1,824 reviewsPlaying now: 5$19.99

Rusted Warfare - RTS

{{An RTS inspired by the classics of the past!}} Making up for it's subpar retro graphics with fun gameplay and modern multi-threaded tech enabling huge battles to run smooth... Featuring singleplayer challenges, skirmish, sandbox, 10-player multiplayer & workshop modding.

96% positive of 6,725 reviewsPlaying now: 172$4.99

Forts

Unleash your creativity and strategic prowess in Forts, the exhilarating physics-based RTS! Design, construct, and customize imposing fortresses, bristling with devastating firepower, and blast your opponent’s buildings to rubble!

91% positive of 21,347 reviewsPlaying now: 471$14.99

Halo Wars: Definitive Edition

Halo Wars: Definitive Edition is an enhanced version of the real-time strategy classic, Halo Wars, updated to run natively on PC. Halo Wars: Definitive Edition includes improved graphics, new achievements and all of the DLC created for the landmark real-time strategy game.

92% positive of 8,715 reviewsPlaying now: 234$19.99

Animyst

Explore a strange and dark afterlife as the Undead. Inhabit the body of a Skeleton or Fleshy Corpse and build a new life in The Droughts, a giant desert of ancient ruins and occult monsters. Craft powerful spells and befriend or battle other players in a single open online world...

84% positive of 465 reviewsPlaying now: 1Free

Screeps: World

Screeps: World is an open source MMO strategy sandbox game for programming enthusiasts. You control your colony by writing JavaScript code that operates 24/7 in the huge persistent online open world.

86% positive of 1,944 reviewsPlaying now: 48$19.99

Subsistence

Subsistence is a sandbox, first person, solo or co-op, PvE open-world survival game. Struggle through changing seasons to build a base, develop technology and gear-up in the hostile environment. Defend yourself from wildlife, the elements and AI hunters (who also build bases in the world).

72% positive of 12,636 reviewsPlaying now: 461$13.99

Force of Nature

Force of Nature is a Sandbox game that combines Action, Adventure, RPG, Strategy and Management genres

73% positive of 3,911 reviewsPlaying now: 4$7.99

Crashlands

Fight and tame alien beasts, craft resources into menacing weaponry, befriend the outlandish locals, and go toe-to-chin with a world-domineering maniac.

89% positive of 5,569 reviewsPlaying now: 14$5.24

RPG MO

RPG MO is a nostalgic MMORPG that reminds of Ultima and Runescape Classic.

78% positive of 2,970 reviewsPlaying now: 46Free

War for the Overworld

War for the Overworld is an unholy union of Dungeon Management and Strategy that rewards all those villainous thoughts you’ve been having. Craft your own perilous dungeon and defend it against pesky heroes who keep exploring it and taking your stuff.

86% positive of 6,510 reviewsPlaying now: 69$29.99

FortressCraft Evolved!

FortressCraft Evolved is a unique blend of Voxel Landscapes, Tower Defense, Crafting, Logistics, Exploration, Combat and Assembly lines. Players begin by crash-landing on a strange alien world, left with only a small handful of starting machines.

71% positive of 2,653 reviewsPlaying now: 17$12.99

Rising World

Rising World is a voxel based open-world sandbox game, featuring a procedurally generated world, playable in single and multi-player.

84% positive of 5,344 reviewsPlaying now: 100$14.99