Games like They Are Billions
If They Are Billions is your kind of game, the closest matches are Frostpunk, Final Outpost: Definitive Edition and Against the Storm — picked from the ranked list below. Reviewers single out its high stakes decision making, tactical positioning matters and unforgiving gameplay. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.
Get personalized picks →They Are Billions is a steampunk strategy game released in 2019 that tasks players with building and defending colonies on a post-apocalyptic planet. The gameplay blends city-building mechanics with real-time strategy and tower defense elements, as players construct settlements while fending off waves of the infected. Procedural generation ensures each campaign presents a unique layout, and a research tree allows for technological advancement throughout each run. Players describe the experience as dark and challenging, with reviewers highlighting high-stakes decision-making and unforgiving gameplay that rewards careful tactical positioning. The game holds an 80% positive rating from over 18,700 Steam reviews and is classified as playable on Steam Deck, available for $29.99.
About They Are Billions: 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?
Players who liked They Are Billions also play
Steam players who put hours into They Are Billions also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.
Frostpunk
WHY THIS
Top pick for They Are Billions fans by collaborative filtering across millions of Steam libraries. Shares Strategy with They Are Billions.
Frostpunk is the first society survival game. As the ruler of the last city on Earth, it is your duty to manage both its citizens and infrastructure. What decisions will you make to ensure your society's survival? What will you do when pushed to breaking point? Who will you become in the process?
Final Outpost: Definitive Edition
WHY THIS
Shares a challenging mood with They Are Billions.
Second-strongest match for They Are Billions fans by collaborative filtering across millions of Steam libraries. Shares Strategy with They Are Billions.
Final Outpost is a survival strategy base-builder. You lead the last survivors of the apocalypse. Assign roles, craft tools, and manage resources carefully. Construct buildings, level up your citizens, and fortify your town against hordes of zombies. How many days can you survive?
Against the Storm
WHY THIS
Shares procedural generation and a challenging mood with They Are Billions.
Third-strongest match for They Are Billions fans by collaborative filtering across millions of Steam libraries. Shares Strategy with They Are Billions.
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.
Judgment: Apocalypse Survival Simulation
WHY THIS
Shares a challenging mood with They Are Billions.
Ranked #4 for They Are Billions fans by collaborative filtering across millions of Steam libraries. Shares Strategy with They Are Billions.
Build, scavenge, craft, and perform occult rituals to survive in a demon-infested, post-apocalyptic colony simulation. Will you survive Judgment day?
From Glory To Goo
WHY THIS
Shares real time strategy, procedural generation and a challenging mood with They Are Billions.
Ranked #5 for They Are Billions fans by collaborative filtering across millions of Steam libraries. Shares Strategy with They Are Billions.
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.
Zombie Cure Lab
WHY THIS
Ranked #6 for They Are Billions fans by collaborative filtering across millions of Steam libraries. Shares Strategy with They Are Billions.
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.
Freaking Meatbags
WHY THIS
Ranked #7 for They Are Billions fans by collaborative filtering across millions of Steam libraries. Shares Strategy with They Are Billions.
Land on a planet, pick up some rocks, leave before the solar system explodes. Oh, and don't die in the nightly robot attacks! Freaking Meatbags is a humorous real-time strategy game that's all about building a base, mixing meatbag DNA, then convincing those dolts to help you gather resources.
Infection Free Zone
WHY THIS
Shares a challenging mood with They Are Billions.
Ranked #8 for They Are Billions fans by collaborative filtering across millions of Steam libraries. Shares Strategy with They Are Billions.
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!
Reviewers mention these as similar to They Are Billions
Surfaced from review text: when other players write 'if you liked X, try Y', we catch the name and resolve it back to a Steam game.
Age of Darkness: Final Stand
WHY THIS
Shares a challenging mood with They Are Billions.
Reviewers of They Are Billions cross-mention this title as a similar play. Shares Strategy with They Are Billions.
Age of Darkness: Final Stand is a dark fantasy survival RTS where you must illuminate, build and defend humanity’s last bastion against hordes of Nightmares. Set in the remnants of a kingdom consumed by a deadly fog, you decide. Will you hide in the light? Or take back your world.
SC2VN - The eSports Visual Novel
WHY THIS
Reviewers of They Are Billions cross-mention this title as a similar play.
SC2VN is a visual novel about the South Korean StarCraft 2 scene. You play as Mach, a foreign semi-pro trying to make it in eSports who soon learns that success in StarCraft takes more than in-game strategy.
RimWorld
WHY THIS
Shares procedural generation and a challenging mood with They Are Billions.
Reviewers of They Are Billions cross-mention this title as a similar play. Shares Strategy with They Are Billions.
A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.
Project Zomboid
WHY THIS
Shares procedural generation and a dark mood with They Are Billions.
Reviewers of They Are Billions cross-mention this title as a similar play.
Project Zomboid is the ultimate in zombie survival. Alone or in MP: you loot, build, craft, fight, farm and fish in a struggle to survive. A hardcore RPG skillset, a vast map, massively customisable sandbox and a cute tutorial raccoon await the unwary. So how will you die? All it takes is a bite..
Rebuild 3: Gangs of Deadsville
WHY THIS
Reviewers of They Are Billions cross-mention this title as a similar play. Shares Strategy with They Are Billions.
Rebuild a ruined city in this post-apocalyptic mix of strategy and simulation. Manage survivors, scavenge for food and supplies, deal with rival gangs, illness, interpersonal strife and zombie attacks.
From Glory To Goo
WHY THIS
Shares real time strategy, procedural generation and a challenging mood with They Are Billions.
Reviewers of They Are Billions cross-mention this title as a similar play. Shares Strategy with They Are Billions.
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.
Cataclismo
WHY THIS
Shares a challenging mood with They Are Billions.
Reviewers of They Are Billions cross-mention this title as a similar play. Shares Strategy with They Are Billions.
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.
Frostpunk
WHY THIS
Reviewers of They Are Billions cross-mention this title as a similar play. Shares Strategy with They Are Billions.
Frostpunk is the first society survival game. As the ruler of the last city on Earth, it is your duty to manage both its citizens and infrastructure. What decisions will you make to ensure your society's survival? What will you do when pushed to breaking point? Who will you become in the process?
Cheaper alternatives
Games in the same vein priced at least 40% below They Are Billions at current Steam store prices.
Bloons TD 6
WHY THIS
Priced ~53% under They Are Billions on Steam right now. Shares Strategy with They Are Billions.
The Bloons are back and better than ever! Get ready for a massive 3D tower defense game designed to give you hours and hours of the best strategy gaming available.
Balatro
WHY THIS
Priced ~60% under They Are Billions on Steam right now. Shares Strategy with They Are Billions.
The poker roguelike. Balatro is a hypnotically satisfying deckbuilder where you play illegal poker hands, discover game-changing jokers, and trigger adrenaline-pumping, outrageous combos.
Don't Starve Together
WHY THIS
Priced ~50% under They Are Billions on Steam right now. Shares Strategy with They Are Billions.
Fight, Farm, Build and Explore Together in the standalone multiplayer expansion to the uncompromising wilderness survival game, Don't Starve.
Sid Meier's Civilization® V
WHY THIS
Priced ~75% under They Are Billions on Steam right now. Shares Strategy with They Are Billions.
Create, discover, and download new player-created maps, scenarios, interfaces, and more!
Slay the Spire
WHY THIS
Priced ~79% under They Are Billions on Steam right now. Shares Strategy with They Are Billions.
We fused card games and roguelikes together to make the best single player deckbuilder we could. Craft a unique deck, encounter bizarre creatures, discover relics of immense power, and Slay the Spire!
Inscryption
WHY THIS
Priced ~73% under They Are Billions on Steam right now. Shares Strategy with They Are Billions.
Inscryption is an inky black card-based odyssey that blends the deckbuilding roguelike, escape-room style puzzles, and psychological horror into a blood-laced smoothie. Darker still are the secrets inscrybed upon the cards...
Cookie Clicker
WHY THIS
Priced ~83% under They Are Billions on Steam right now. Shares Strategy with They Are Billions.
An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.
FTL: Faster Than Light
WHY THIS
Priced ~67% under They Are Billions on Steam right now. Shares Strategy with They Are Billions.
This "spaceship simulation roguelike-like" allows you to take your ship and crew on an adventure through a randomly generated galaxy filled with glory and bitter defeat.
Free alternatives
Free-to-play games that recommended players of this title also tend to enjoy.
Ultimate Custom Night
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
Steam Engine Simulator
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it.
The Steam Engine Simulator shown on AngeTheGreat's YouTube channel.
Iron Snout
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it.
Iron Snout is a fast, colorful and brutal fighting game in which you will be helping a piglet fight for its life against hordes of wolves.
Magic Archery
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it.
Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.
SuchArt: Creative Space
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it.
Paint on any surfaces with numerous tools in Creative Space — a free sandbox version of SuchArt: Genius Artist Simulator. Create masterpieces, complete commissions, and decorate your studio in the most advanced artist sim!
Outpath: First Journey
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it.
Outpath: First Journey is a prologue chapter of the main game, Outpath. An experimental clicker base building game. Craft, gather & manage resources, build your base and buy more islands to exploit and expand!
The Riftbreaker: Prologue
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy with They Are Billions.
The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.
Jigsaw Puzzle Dreams
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it.
Beautiful Multiplayer Jigsaw Puzzle game where you can design the room you play in!
Narrow it down
Head-to-head comparisons
Frequently asked about They Are Billions
- Does They Are Billions run on Steam Deck?
- They Are Billions is rated Playable on Steam Deck — it runs, but expect some manual adjustments (control remapping, text size, or graphics settings) for the best experience.
- How much does They Are Billions cost?
- They Are Billions is listed on Steam at 29.99 USD (current store price; Steam sales may reduce this temporarily).
- What games are most similar to They Are Billions?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside They Are Billions are Frostpunk, Final Outpost: Definitive Edition, Against the Storm.
- Who developed They Are Billions?
- They Are Billions was developed by Numantian Games.
imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on They Are Billions.
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