Drafted with AI from our own data; passed automated quality checks and spot-checked by the editor
About the Game
A steampunk strategy game where you build a survivor settlement and hold back a tide of infected.
They Are Billions is a real-time strategy game with a city-builder core, set on a planet wrecked by a zombie catastrophe in a distant future. The store page leans into a steampunk look inspired by the Victorian era, and the setting is bleak: the survivors are few, and the infected are everywhere.
The core loop is build, gather, and defend. You place buildings to house residents and collect resources, upgrade structures to improve collection, and extend your energy reach with Tesla towers. Power plants and windmills keep your buildings running, while walls, gates, and watchtowers protect the perimeter. You can train or hire military units, but they need money and food, so your economy has to keep pace with your army. Each unit has its own skills and personality, which adds some flavor to the fights.
What stands out is scale and pacing. According to the store description, the engine can handle thousands of infected at once, up to 20,000 on screen, and each one has its own AI as it wanders, sniffs, and listens. Making noise can draw them toward you, and infection spreads quickly if an infected unit gets inside a building, so you need to contain it early. The game is real-time, but you can pause at any moment to place buildings, issue orders, and review information. That makes it a deliberate, planning-focused strategy game rather than a hotkey test.
Beyond the core loop, the game offers a campaign called New Empire with 48 missions, and the store description mentions about 60 hours of play. There is also a survival mode in which events, weather, environments, and infected numbers are randomly generated, plus weekly challenges with leaderboards. Your hero can explore abandoned ancient human fortresses as you work toward uncovering how the catastrophe began.
Feature Highlights
- The New Empire campaign offers 48 missions and roughly 60 hours of play, according to the store description.
- Survival mode generates randomized events, weather, environments, and infected numbers for replayable runs.
- Real-time combat can be paused at any moment so you can place buildings and issue orders calmly.
- The engine can handle up to 20,000 infected on screen, each with its own individual AI.
- More than 90 technologies let you strengthen your settlement, and your hero can explore abandoned ancient fortresses.
- Steam achievements, trading cards, Workshop support, cloud saves, leaderboards, a level editor, and Family Sharing are all included.
Who It Is (and Is Not) For
Recommended For
Fans of city builders and strategy games who enjoy managing resources, expanding a base, and building defenses will feel at home here. If you like watching a settlement grow under constant pressure, the pausable real-time system lets you plan carefully instead of reacting blindly. Players who enjoy replay value will appreciate the randomized survival mode.
Not Recommended For
If you want fast, twitch-driven action or a game built around memorizing lots of hotkeys, this is not it, since the developers say they deliberately avoided that style. Players who mainly want a tightly scripted story may find the systems more central than the narrative. Anyone who finds large swarm battles stressful may want to try a demo or wait for a discount before committing.
What the Steam Reviews Say
They Are Billions carries a Steam review label of Very Positive, which is 極度好評 in Traditional Chinese Steam wording, with 85% of reviews positive. The review count runs to tens of thousands of reviews, so the label carries real weight.
On Steam, Very Positive means that a large majority of reviewers recommend the game, and with a volume this size the score tends to be stable. Smaller review counts swing much more, so a label built on only a handful of reviews deserves more caution. Here the volume is substantial, which makes the rating a solid signal, though a high overall score does not guarantee the game's pace or style will suit you.
Price History & Historical Low
Show price changes as a table
| Date | Price | Discount |
|---|---|---|
| 2026-10-30 | NT$561 | — |
| 2026-10-20 | NT$561 | — |
| 2026-10-13 | NT$448 | -20% |
On the Taiwan Steam store, They Are Billions is currently listed at NT$ 561, which is also its regular price, so there is no active discount right now. The lowest paid price we have recorded is NT$ 448, logged on 2026-10-13, which works out to the 20 percent deepest discount we have seen.
Our records show that the game is discounted often, and it has never been free to keep. Our price record is still short, so any verdict we give is tentative. Discounts appear regularly enough that waiting is a reasonable choice if the full price feels high.
Whether now is a good time depends on your budget and how soon you want to play. At NT$ 561 you are paying the full price, while the lowest recorded price was NT$ 448. Because our history is limited, treat any price pattern as provisional and check the live price on the Steam page before you buy.
Analysis written 10/27/2026 from our recorded prices; the chart above is live. Taiwan-region Steam prices.
How to Buy
- Open the They Are Billions store page on the Steam client or the Steam website while signed in to your account.
- Check the current Taiwan Steam price, which is listed at NT$ 561 right now.
- If you want to wait, click the wishlist button to add the game to your wishlist.
- Turn on wishlist sale notifications in Steam settings so you hear about discounts as soon as they start.
- When the price suits you, complete the purchase through the store and find the game in your library to install it.
- Check back here for the price trend before you buy, since discounts can change the picture quickly.
Things to Know
Traditional Chinese is among the supported languages, and English is also supported with full audio support. Simplified Chinese and several other languages are listed as well. The adult content flag is off, so there is no adult content warning for this game. All prices in this guide are Taiwan-region Steam store prices in NT$ and may differ in other regions or currencies. Free and discount promotions can end at any time, so check the official Steam page before you buy.
