Base Building · Singleplayer games to play together

256 Base Building · Singleplayer games your group can play together online, including Ultimate Zombie Defense, Hydroneer, and Age of Empires II: Definitive Edition.

All games: 24

Ultimate Zombie Defense

Team up or face it alone in this top down zombie slaying defense adventure! Featuring up to 4 player online co-op, cleanse the infected wave by wave and upgrade your base with traps & defenses to build the Ultimate Zombie Defense. Can YOU stop them?

85% positive of 1,414 reviewsPlaying now: 10$1.69

Hydroneer

Hydroneer is a mining and base building sandbox. Dig for gold and other resources to turn a profit and enhance your mining operation. Build a base of operations, forge weapons, go fishing, and dig deep!

85% positive of 27,308 reviewsPlaying now: 296$14.99

Age of Empires II: Definitive Edition

42 Civilizations, 229 Campaign Missions, Singleplayer, Co-Op, Multiplayer, In-Game Editor, Mods, Cross-play...It is good to be the king.

93% positive of 160,166 reviewsPlaying now: 15,353

SpellForce 3 Versus Edition

The SpellForce 3: Versus Edition gives you the chance to enter the battlefields of Eo for free, letting you test your RTS skills against AI opponents or even other human players.

74% positive of 1,635 reviewsPlaying now: 69Free

The Survivalists

A living world full of surprises, secrets and danger awaits in The Survivalists, an adventure-filled survival sandbox set in The Escapists universe. Explore, build, craft and even train monkeys with up to three friends in a desperate bid to survive. Have you got what it takes to be a Survivalist?

76% positive of 8,135 reviewsPlaying now: 61$24.99

State of Decay 2: Juggernaut Edition

The dead have risen and civilization has fallen. Now it's up to you to gather survivors, scavenge for resources and build a community in a post-apocalyptic world – a world where you define what it means to survive in this ultimate zombie survival simulation.

83% positive of 59,497 reviewsPlaying now: 1,261$29.99

Iron Harvest

A classic real-time strategy game with an epic single player campaign, multiplayer & coop, set in the alternate reality of 1920+

74% positive of 11,725 reviewsPlaying now: 87$29.99

Fallout 76

Twenty-five years after the bombs fall, you and your fellow Vault Dwellers emerge into post-nuclear America. Join millions of players as you explore, build, quest, and triumph in a massive open-world multiplayer adventure.

74% positive of 78,905 reviewsPlaying now: 10,034$39.99

Tribal Wars

Compete in hardcore PvP strategy in persistent game worlds where real time resource and troop management in coordination with other players is required to expand your kingdom from one village to hundreds as you conquer the map in this winner takes all medieval contest.

70% positive of 844 reviewsPlaying now: 67Free

First Feudal

Become a real medieval feudal lord: start with a small village and build it up into an enormous impenetrable castle. You will have to repel enemy raids: hide behind thick walls, lure your enemies into strategically placed traps, and even lead your loyal peasants into battle.

75% positive of 594 reviewsPlaying now: 2$19.99

Mindustry

An open-ended factory management game with RTS and tower defense elements.

94% positive of 25,013 reviewsPlaying now: 721$9.99

Cepheus Protocol

Cepheus Protocol is an Open World RTS Military Survival Game. Play as the CERC hunting Patient 0, maintain Quarantine camps, fight dangerous mutations & Rogue Civilian Combatants . There’s nobody else coming, it’s up to you now.

75% positive of 3,016 reviewsPlaying now: 124$19.99

Drake Hollow

Build and defend villages of vegetable folk from deadly feral beasts in the blighted world of The Hollow. Explore, gather, and fight! You can even invite your friends. Can you craft the perfect village?

76% positive of 1,160 reviewsPlaying now: 6$29.99

Green Hell

Plunge into the open-world survival simulation set in the extreme conditions of the uncharted Amazon jungle. Use real-life survival techniques to craft, hunt, fight, and gather resources, set a makeshift shelter, or raise a fortress. Survive alone or team up with your friends and challenge the jungle together.

84% positive of 80,770 reviewsPlaying now: 7,389$2.49

War Selection

War Selection is a compelling RTS game featuring base building, resource extraction and warfare. Evolve from a stone age tribe to a distinct industrial nation with unique game mechanics and battle for supremacy with dozens of players on a unique procedurally generated map.

85% positive of 23,809 reviewsPlaying now: 854Free

Warzone 2100

In the late 21st century, the world's civilizations are wiped out by a series of nuclear strikes, seemingly caused by a massive malfunction of the new NASDA (North American Strategic Defense Agency) strategic defense system.

88% positive of 1,636 reviewsPlaying now: 9Free

Age of Empires: Definitive Edition

Age of Empires, the pivotal real-time strategy game that launched a 20-year legacy returns with modernized gameplay, all-new 4K visuals, 8-person multiplayer battles and a host of other new features. Welcome back to history.

84% positive of 14,408 reviewsPlaying now: 859$19.99

Space Engineers: Build and Explore Together

Share a Creative or Survival world in Space Engineers, where your group turns mined resources and block-by-block ideas into ships, bases, and missions.

89% positive of 102,794 reviewsPlaying now: 4,445$19.99

ASTRONEER

Interact with strange new worlds in a unique and tactile way, molding the environment itself as if it were clay in your hands. Build your base, master resource management, automate your production lines, and more as you unravel the mysteries of the universe, alone or with friends.

90% positive of 119,285 reviewsPlaying now: 1,120$29.99

Kingdom Two Crowns

Gather coins, build defenses and reclaim your fallen Kingdom. Explore and uncover secrets, unlock new technologies and protect your crown versus waves of Greed monsters that come at night. Kingdom is a solo or co-op micro-strategy and tower defense game set in an atmospheric pixel world.

90% positive of 32,961 reviewsPlaying now: 1,409$19.99

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.

83% positive of 7,695 reviewsPlaying now: 42$19.99

Ylands

Adventure awaits you and your friends in the world of Ylands! Gather resources, craft tools, construct anything and everything, and explore the lands! Build a ship and set sail, encountering mythical animals, a wide variety of sea-life, enemies of all kinds and much more!

63% positive of 8,463 reviewsPlaying now: 36Free

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

Zero-K

With 100+ truly unique units, Zero-K is an RTS of freedom and creativity, tempered by a decade of refinement. Sculpt land into a castle and throw invaders off it with a Jugglenaut. Explore a massive campaign, solo or co-op. Hop online for epic 32 player battles or fast paced 1v1, on 100s of maps.

92% positive of 4,427 reviewsPlaying now: 136Free