Games like They Are Billions
by Numantian Games
They Are Billions is a Steampunk strategy game set on a post-apocalyptic planet. Build and defend colonies to survive against the billions of the infected that seek to annihilate the few remaining living humans. Can humanity survive after the zombie apocalypse?
View on Steam · $29.99 →
Ranked by how similar the games actually are, not by sales. Released and Price are remembered for next time.
Closest matches
-30%$8.39From Glory To Goo
Apr 2 · Stratagem Blue
Both: Base Building · RTS · Tower Defense
From Glory To Goo is a Sci-Fi survival RTS set on an alien world. Serve as humanity's bulwark by establishing a colony and supporting your colonists still in orbit. But beware, for The Goo, a relentless and shape-shifting force approaches from all sides, even above and below.
Base BuildingRTSTower DefenseReal-Time with PauseAction RTSResource ManagementColony SimCity BuilderStrategySandbox👍 1,796
-30%$17.49Infection Free Zone
Apr 11 · Jutsu Games
Both: Base Building · Zombies · City Builder
Choose any real region from the world. Choose your base of operations, then rebuild and readapt the buildings around you to create a self-sustaining settlement. Take charge of a group of survivors from your city. And when the night falls - Defend the zone from the infected!
Early AccessBase BuildingPost-apocalypticZombiesCity BuilderStrategyManagementSurvivalSimulationRTS👍 16,573
$29.99New Cycle
Jan 18 · Core Engage
Both: City Builder · Survival · Building
New Cycle is a city building game with focus on survival. After an apocalyptic series of solar flares, human society has been thrown into disarray. Establish a settlement and develop it all the way from humble beginnings to industrial metropolis.
City BuilderStrategySurvivalBuildingColony SimPost-apocalypticRealisticSimulationBase BuildingTop-Down👍 2,602
-66%$8.49Zombie Cure Lab
May 27 · Thera Bytes GmbH
Both: Colony Sim · Zombies · Base Building
In a world overrun by the undead, build a lab to fight back with science. Manage survivors, gather vital resources, and turn zombies into allies. Defend your base and research the cure to reclaim humanity.
Colony SimZombiesSciencePost-apocalypticResource ManagementBase BuildingOutbreak SimCity BuilderTower DefenseSandbox👍 393
$29.99Going Medieval
Mar 17 · Foxy Voxel
Both: Colony Sim · Base Building · Survival
Build and manage your own castle settlement in a land reclaimed by wilderness. With detailed management, survival strategy, and a moddable sandbox world, Going Medieval challenges you to build the mightiest colony this side of the apocalypse.
Colony SimBase BuildingStrategyVoxelSurvivalManagementCity BuilderSingleplayerSandboxNature👍 17,036
$29.99Empires of the Undergrowth
Jun 7 · Slug Disco
Both: Base Building · City Builder · Colony Sim
Command swarms of warriors at an unprecedented scale of warfare in this blend of RTS and base-building. Lead ant colonies against the many fearsome threats of the insect world, while building intricate nests, developing pheromone-based tactics, and evolving to meet growing dangers.
StrategySimulationBase BuildingCity BuilderManagementGrand StrategyColony SimSandboxBuildingHistorical👍 17,498
$29.99Diplomacy is Not an Option
Oct 4 · Door 407
Both: Zombies · Base Building · Colony Sim
Diplomacy is Not an Option is a strategy game set in a medieval fantasy world. Build your town and defenses, raise huge armies and fight against massive hordes of enemies. How long can you survive?
Resource ManagementMedievalHistoricalZombiesBase BuildingColony SimRTSDifficultAction RTSSurvival👍 10,910
$34.99Timberborn
Mar 12 · Mechanistry
Both: City Builder · Colony Sim · Building
Humans are long gone. In a world struck by droughts and toxic waste, will your lumberpunk beavers do any better? A sandbox city-building game featuring ingenious animals, vertical architecture, water physics, and terraforming. Contains high amounts of wood.
City BuilderColony SimVoxelSandboxAutomationBuildingNatureManagementBase BuildingSurvival👍 38,783
$19.99Surviving the Abyss
Nov 5 · Rocket Flair Studios
Both: City Builder · Colony Sim · Building
Earth, 1976. You have been tasked with managing a deep-sea science facility working to perfect cloning. Explore the darkness and keep your crew alive in this hardcore survival colony builder. And beware. The darkness hides untold horrors.
City BuilderColony SimExplorationUnderwaterBuildingManagementBase BuildingSurvivalDifficultEconomy👍 1,045
$19.99Primitive Society Simulator
Feb 26 · YSH BigDove
Both: City Builder · Colony Sim · Base Building
A colony-building game combined with grand strategy elements. Play as a tribal leader, guiding your people from the Stone Age to the Bronze Age. Survive, multiply, and compete for territory among ancient nations.
City BuilderColony SimBase BuildingSandboxAgricultureBuildingWargameDiplomacyManagementHistorical👍 647
$22.00Ratopia
Apr 30 · Cassel Games
Both: Building · Colony Sim · Base Building
Ratopia is a new game that has combined elements of both strategic survival and city building. With plenty of content available, and more planned, enjoy a vast world to adventure and populate with citizens! Build your own economical system to sustain your ideal city of Ratopia.
BuildingColony SimBase BuildingSurvivalDifficultStrategyCity Builder2DCuteManagement👍 4,639
$19.99Odd Realm
Aug 16 · Unknown Origin Games Inc
Both: Colony Sim · Base Building · Survival
Build a settlement in a realm recovering from the Fracture, a calamity that nearly destroyed the realm. Choose from several unique races, establish a new kingdom, and survive in a land filled with magic and strange creatures. Farm the land, fish the seas, or raid rival kingdoms for their treasures.
Colony SimBase BuildingSimulationManagementResource ManagementStrategySandboxSurvivalProcedural GenerationBuilding👍 955
$29.99Cataclismo
Mar 20 · Digital Sun
Both: City Builder · Base Building · Building
Design and build fortresses brick by brick to stand against endless hordes of Horrors in this real-time strategy game with resource management, siege defense, and exploration. Lead from the ramparts, push back the darkness, and hold fast against the creatures of the Mist.
StrategySimulationCity BuilderBase BuildingGrand StrategyManagementBuildingHistoricalEconomyColony Sim👍 3,897
-60%$4.79Stellar Settlers: Space Base Builder
Feb 22 · Tinymice Entertainment
Both: City Builder · Base Building · Colony Sim
Stellar Settlers is a chill space base/city builder and colony sim game. With unique vertical and horizontal base-building gameplay, settle on 10 hostile alien planets and build your own thriving colony. Get enough materials to build a physics-based Spaceship and try to escape from disasters.
City BuilderBase BuildingColony SimResource ManagementStrategySimulationBuildingSurvivalMarsSpace👍 744
$19.99Becastled
Oct 22 · Mana Potion Studios
Both: Base Building · City Builder · Building
Build a castle by day and defend it by night. Becastled blends cozy city-building with challenging tower defense strategy. Lead the Sun Kingdom’s last stand against the Moon Beasts and end the ancient conflict between light and darkness!
Base BuildingStrategyCity BuilderMedievalBuildingRTSColony SimWarMilitarySingleplayer👍 5,352
$19.99Repterra
Aug 20 · Chute Apps
Both: Base Building · Tower Defense · RTS
Repterra is a base-building survival RTS set in a world overrun by dinosaurs. Manage your colony while battling massive dino hordes. Breed and ride your own dinos, unlock permanent upgrades, and fight to reclaim the world for humanity.
Real-Time with PauseBase BuildingDinosaursTower DefenseRTSCity BuilderStrategyPvEResource ManagementIsometric👍 122
$34.99Solargene
Jan 19 · Alexander Semenov
Both: Colony Sim · Base Building · City Builder
Take Command of a Space Corporation in the Sci-Fi Simulator Solargene! Manage personnel, design and develop colonies and orbital stations across the solar system! Mine resources, establish logistics, research cutting-edge technologies, trade, and complete missions
Colony SimBase BuildingCity BuilderSpace SimResource ManagementSandboxManagementBuildingEconomyStrategy👍 777
$29.99Against the Storm
Dec 8 · Eremite Games
Both: City Builder · Base Building · Building
A dark fantasy city builder where you must rebuild civilization in the face of apocalyptic rains. As the Queen’s Viceroy, lead humans, beavers, lizards, foxes, and harpies to reclaim the wilderness and secure a future for civilization's last survivors.
StrategySimulationCity BuilderBase BuildingBuildingGrand StrategyManagementResource ManagementHistoricalColony Sim👍 33,296
-35%$20.79The Crust
11 days ago · VEOM Studio
Both: Base Building · Colony Sim · City Builder
Build and automate a lunar colony that Earth depends on. Mine regolith, run conveyor-and-drone factories above and below the surface, manage colonists, trade with rival Earth factions — and play a story campaign with multiple endings.
Base BuildingSpaceAutomationColony SimResource ManagementSandboxStrategyCity BuilderBuildingManagement👍 3,556
$11.99Survivalist: Invisible Strain
Apr 25 · Bob
Both: Colony Sim · RTS · Base Building
It's ten years since the infection started. Long-established settlements are collapsing, one by one, for unknown reasons. Survivors are running to the hills to escape, hoping for safety in remote places. As another refugee, you're here to carve out a new life for yourself - by any means necessary.
Dialogue HeavyOpen World Survival CraftColony SimRPGRTSPost-apocalypticBase BuildingThird PersonActionCharacter Customization👍 4,016
$44.997 Days to Die
Jul 25 · The Fun Pimps
Both: Survival · Zombies · Base Building
7 Days to Die is an open-world game that is a unique combination of first-person shooter, survival horror, tower defense, and role-playing games. Play the definitive zombie survival sandbox RPG that came first. Navezgane awaits!
SurvivalZombiesMultiplayerOpen WorldOpen World Survival CraftBase BuildingPost-apocalypticOnline Co-OpVoxelBuilding👍 279,474
$19.99Dread Dawn
Sep 30 · Kioop
Both: Zombies · Survival · Base Building
This is an open-world zombie survival game set in a quarantined city. You play as a student left behind due to missing the evacuation convoy. Together with classmates and other survivors, you must defend the school, survive, and await rescue.
ZombiesSurvivalExplorationSandboxOpen WorldBase BuildingTower DefenseAdventureRPGAtmospheric👍 2,113
-40%$14.99Roman Triumph: Survival City Builder
Sep 16 · Coreffect Interactive
Both: City Builder · Colony Sim · Survival
At the farthest reaches of the empire, a new Roman city is born! Manage and grow your city, please the gods, and survive against barbarians and mythological threats to achieve Roman Triumph!
City BuilderColony SimSurvivalCraftingRomeOpen WorldStrategySingleplayerCombatBuilding👍 742
$24.99Flotsam
Dec 4 · Pajama Llama Games
Both: Base Building · Colony Sim · City Builder
Sail, scavenge, and rescue survivors in a vibrant floating city-builder. Captain your drifters across the endless garbage sea to uncover soaked ruins, rusting factories, and stories from the old world.
Base BuildingColony SimCity BuilderSandboxResource ManagementAutomationSurvivalOpen WorldFarming SimReal-Time with Pause👍 4,309
$29.99Norland
Jul 18 · Long Jaunt
Both: City Builder · Base Building · Colony Sim
Lead your noble family in this medieval colony sim, facing off against class conflict, religious struggle, and political treachery. Tend to your people’s needs, uncover the lost knowledge of a fallen empire, and engage in nefarious plots against your enemies.
StrategySimulationCity BuilderBase BuildingColony SimGrand StrategyManagementHistoricalBuildingSandbox👍 8,912
$29.99The Universim
Jan 22 · Crytivo
Both: City Builder · Colony Sim · Building
Jump straight into managing your own planets as you guide a civilization through the ages. Build the ultimate empire in The Universim, a new breed of God Game in development by Crytivo.
City BuilderColony SimGod GameSandboxBuildingSurvivalManagementSpaceStrategySimulation👍 8,464
$14.99IDUN - Frontline Survival
Jan 20 · IDUN Interactive
Both: Building · Tower Defense · RTS
A defense RTS where you can move turrets at will. Extract resources, upgrade technology, and defend against enemy swarms in a gripping space campaign. Hold the line, set up your turrets, and brace for screen-filling hordes!
3DBuildingWargameTower DefenseStrategyRTSSurvivalBase BuildingMiningSci-fi👍 685
$4.99Space Station Tycoon
Nov 1 · Lunheim Studios
Both: Tower Defense · City Builder · Colony Sim
Create a thriving space station in a lost sector. Face thrilling challenges head-on, from pirate raids to asteroid impacts, as you lead your company to new heights.
ManagementSpaceTower DefenseCity BuilderColony SimBuildingCraftingEconomyBase BuildingSpace Sim👍 190
-10%$4.49Gridmax
3 days ago · Dream Gears
Both: Base Building · Survival · Colony Sim
Gridmax is a tile-based survival and base-building game set in a strange alien world. Gather, craft, build, and explore at your own pace as you grow your team, establish homes across the grid, advance your technology, and search for a way home.
Base BuildingSurvivalManagementColony SimBuildingCraftingSandboxAutomationSimulation2D
-30%$17.49Laysara: Summit Kingdom
Feb 27 · Quite OK Games
Both: City Builder · Colony Sim · Building
Build and expand your very own settlements in high mountains! Carefully plan production chains and satisfy various needs of your three-caste society while dealing with mountain hazards such as weather breakdowns and avalanches. Are you skilled enough to make your town thrive?
StrategyCity BuilderResource ManagementColony SimBuildingReal-Time with PauseBase BuildingManagementSimulationImmersive Sim👍 1,425
-40%$10.49Tower Dominion
May 7 · Parallel 45 Games
Both: Tower Defense · Base Building · RTS
Build and design the terrain while defending your stronghold against alien invasion in this unique Roguelike tower defense. Choose from 30 heroes, survive enemy waves, and upgrade a variety of destructive towers to hold the line!
Tower DefenseStrategyBase BuildingRoguelikeRTSTacticalRogueliteChoices MatterProcedural GenerationResource Management👍 5,124
-60%$9.99Reus 2
May 28 · Abbey Games
Both: Colony Sim · City Builder · Base Building
Shape worlds with your godly titans. Make symbiotic ecosystems and inspire humanity with your creations. Their achievements unlock new possibilities. Make different planets for different human spirits, and fill the universe with life!
God GamePuzzleColony SimCity BuilderBase BuildingManagementStrategyResource ManagementSandboxNature👍 2,137
$23.99The Planet Crafter
Apr 10 · Miju Games
Both: Base Building · Survival · Building
A space survival open world terraforming crafting game, designed for 1 to 10 players. Alter the ecosystem of an inhospitable planet to render it habitable for humanity. Survive, gather resources, and build your base. Then, generate oxygen, warmth, and pressure to create a brand new biosphere.
Base BuildingOpen World Survival CraftSurvivalOnline Co-OpCo-opBuildingCraftingSpaceOpen WorldExploration👍 68,913
$19.99Astro Colony
Jun 2 · Terad Games
Both: Base Building · Colony Sim · Building
Explore endless Universe and create the most efficient constellation of colonies. Build conveyor systems to automate production. Take care of Astronauts and their needs! Establish new colonies as part of intergalactic simulation.
Base BuildingAutomationSpaceResource ManagementColony SimSimulationMultiplayerStrategyBuildingIndie👍 2,397
$29.99Night of the Dead
May 31 · Jackto Studios
Both: Zombies · Tower Defense · Survival
'Night of the Dead' is an open-world game that combines elements of exploration, tower defense, survival, and crafting. Traverse a world dominated by zombies while collecting various resources and powerful equipment. Build a fortress to survive the hordes of zombies that swarm every night!
Open World Survival CraftZombiesTower DefenseMultiplayerSingleplayerOnline Co-OpOpen WorldCraftingSurvivalBase Building👍 10,381
-30%$20.99Desynced
Mar 5 · Stage Games Inc.
Both: Base Building · City Builder · RTS
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.
StrategyAutomationProgrammingBase BuildingSandboxCity BuilderRTSSci-fiMultiplayerSimulation👍 1,880
$39.99Workers & Resources: Soviet Republic
Jun 20 · 3Division
Both: City Builder · Base Building · Building
Build a soviet republic from an impoverished country into a rich industrial superpower in a city builder with intricate production chains and a fully simulated global economy. Manage the lives of your citizens from education to work and party loyalty to criminal activity.
StrategyCity BuilderSimulationBase BuildingGrand StrategyHistoricalBuildingManagementEconomyColony Sim👍 25,244
-35%$12.99Drill Core
Jul 17 · Hungry Couch Games
Both: Tower Defense · Colony Sim · City Builder
Corporate greed meets strategic planet-mining in Drill Core! Drill to the heart of planets while managing workers, researching cutting-edge tech, and fortifying against alien attacks. Will you prioritize efficiency and risk your workers' safety, or focus on defense for survival?
StrategyRogueliteTower DefenseColony SimExplorationSide ScrollerRoguelikeCity BuilderBase Building2D👍 2,130
$29.99The Wandering Village
Jul 17 · Stray Fawn Studio
Both: City Builder · Colony Sim · Survival
The Wandering Village is a city-building simulation game on the back of a giant, wandering creature. Build your settlement and form a symbiotic relationship with the colossus. Will you survive together in this hostile, yet beautiful post-apocalyptic world, contaminated by poisonous plants?
City BuilderManagementSimulationPost-apocalypticColony SimResource ManagementExplorationCuteNatureSurvival👍 7,741
$9.99Space Architect
Nov 23 · Albert Wiatr
Both: Colony Sim · Base Building · Survival
Design your dream space station in Space Architect! Master the power of automation or 'hire' an army of crewmates to handle your ever-growing production. Mine asteroids, fabricate goods, and engage in interstellar trade to pay off the menacing Big Evil Corp. Will you thrive in the vastness of space?
IndieColony SimBase BuildingManagementTop-DownStrategySurvivalAutomationCartoonySimulation👍 294
$19.99Havendock
Apr 22 · YYZ Studio
Both: City Builder · Colony Sim · Building
Breathe easy and thrive in this cozy colony sim. Build a haven for castaways, manage resources, live your best life on the ocean. Lead your humble settlement into a high-tech society.
SingleplayerStrategyCity BuilderColony SimSandboxAgricultureAutomationBuildingCraftingBase Building👍 1,504
-50%$9.99Microtopia
Feb 18 · Cordyceps Collective
Both: Colony Sim · Base Building · City Builder
Become the hive mind of a robot ant colony in Microtopia! Use pheromone trails to create, automate and optimize supply chains for your ants to follow. Collect resources, produce goods, feed your queen, grow your colony and fly out to expand the species!
Colony SimAutomationProcedural GenerationResource ManagementSandboxSci-fiRobotsFuturisticBase BuildingCity Builder👍 881
$32.00MEMORIAPOLIS
Apr 30 · 5PM Studio
Both: City Builder · Colony Sim · Building
Memoriapolis is a historical city builder where your city grows organically across 5 ages, from Antiquity to the Industrial Revolution. Manage resources, interact with factions, and shape your dynasty toward building a final Wonder with easy, normal, or hard difficulty levels.
City BuilderExplorationColony SimPolitical SimBuildingStrategyImmersive SimManagementBase BuildingHistorical👍 1,753
$19.99The Front
Oct 30 · Samar Studio
Both: Survival · Base Building · Building
The Front is a survival open-world crafting sandbox game. You are a resistance fighter sent back in time to stop the rise of a tyrannical empire. Collect resources, craft tech, build shelters, and fight monsters to accomplish your mission.
Open World Survival CraftMultiplayerSurvivalCraftingBase BuildingBuildingOpen WorldTower DefenseSandboxShooter👍 9,553
$29.99Whiskerwood
Nov 6 · Minakata Dynamics
Both: City Builder · Base Building · Colony Sim
Establish a home for your industrious mice under the oppressive paw of your cat overlords in this city builder featuring complex simulations, intricate production chains, and the age-old rivalry between cat and mouse.
StrategySimulationCity BuilderBase BuildingColony SimGrand StrategyManagementBuildingHistoricalSandbox👍 3,278
$24.99Mind Over Magic
Feb 12 · Sparkypants
Both: Survival · Building · Colony Sim
Mind Over Magic is a colony sim set at the site of a cursed magic school. Build and optimize your own magical academy, train powerful Mages, and master mighty relics in order to battle through the Underschool, a mysterious underground dungeon that holds the key to liberation from a deadly curse.
SurvivalBuildingColony SimManagementSimulationNonlinearBase BuildingCraftingDragonsTactical RPG👍 4,315
$24.99Executive Assault 2
Oct 18 · Hesketh Studios Ltd
Both: RTS · Building · Base Building
The RTS/FPS phenomenon has moved into space! Build your base on an asteroid, command fleets of starships for epic battles, pilot fighters, mine and trade resources, assemble robots to defend or assault other stations. Take sole command or share the glory as you fight for control of the quadrant.
RTSBuildingSpace SimStrategyBase BuildingSpaceReal-TimeFPSActionSingleplayer👍 1,604
$19.99Dawn Apart
Jul 14 · Industrial Technology and Witchcraft
Both: Colony Sim · Base Building
Dawn Apart is a space colony and factory sim with fully destructible environments. Mine, automate, and defend your settlers, or lead a rebellion against the very corporation pulling your strings…
Colony SimBase BuildingAutomationStrategyCraftingVoxelSpaceSimulationResource ManagementPhysics👍 245
Also worth a look
Share some of the same DNA, but further from the original.
-50%$22.49Frostpunk 2
Sep 20 · 11 bit studios
Both: City Builder · Survival · Steampunk
Develop, expand, and advance your city in a society survival game set 30 years after an apocalyptic blizzard ravaged Earth. In Frostpunk 2, you face not only the perils of never-ending winter, but also the powerful factions that watch your every step inside the Council Hall.
City BuilderStrategySurvivalResource ManagementPost-apocalypticSimulationSingleplayerSteampunkManagementBase Building👍 20,886
$14.99Territory: Farming and Warfare
Feb 4 · Wit Studio
Both: Base Building · City Builder · Building
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.
SingleplayerSimulationBase BuildingCity BuilderStrategySandboxAutomationPixel GraphicsResource ManagementBuilding👍 738
$17.99Microcivilization
Jan 22 · Ondrej Homola
Both: Base Building · City Builder
Incremental clicker strategy, where you expand, construct, research, fight, collect heroes and make choices between good and evil. Ascend through difficulty tiers by playing through challenge campaign going back and forth through history. Mammoths included.
IncrementalBase BuildingResource Management4XHistoricalStrategyAutomationInventory ManagementCity BuilderGod Game👍 1,437
$16.99No One Survived
Dec 27 · Cat Play Studio
Both: Survival · Zombies · Building
This is a multiplayer cooperative open world construction survival sandbox game, where you and your friends must find supplies and build shelters in this world. You have to keep an eye on your character's needs state at all times, a bad state is likely to lead to death.
SurvivalOpen WorldZombiesMultiplayerCraftingSurvival HorrorPost-apocalypticExplorationBuildingCo-op👍 6,970
FreeStormgate
Aug 5 · Frost Giant Studios
Both: RTS · Base Building · Building
Stormgate is a free-to-play real-time strategy game with a full single-player campaign, 3-player co-op, and PvP versus modes on over 60 maps. Our Editor is also freely available for you to craft just about any custom game mode you can imagine. Join our development journey today!
RTSBase BuildingStrategyMultiplayerWareSportsFree to PlayFuturisticTop-DownBuilding👍 2,104
$0.99O Reino em outro Mundo
May 28 · Thiago Sousa
Both: City Builder · Tower Defense · Colony Sim
You have been transported to a procedurally generated voxel world where every decision matters. Manage resources, fight zombies and prepare for the harsh winters. Survive, build and thrive in an environment full of challenges and discoveries.
Early AccessExplorationChoose Your Own AdventureIncrementalCity BuilderTower DefenseColony SimArcheryHuntingFishing