Choose They Are Billions
Choose They Are Billions if you want the Steam Leaderboards side of the pairing. 18,746 Steam reviews back the pick.
They Are Billions vs Swarm the City: Prologue
They Are Billions and Swarm the City: Prologue both land in Strategy on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both are Strategy games on Steam. They Are Billions (2019) is 2 years older than Swarm the City: Prologue (2021). They Are Billions scores higher on Steam reviews (80.2% positive) than Swarm the City: Prologue (77.8% positive). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Which should you pick?
Choose Swarm the City: Prologue
Choose Swarm the City: Prologue if you want an Indie, Simulation, and RPG experience. Swarm the City: Prologue launched in 2021.
Both They Are Billions and Swarm the City: Prologue sit in Strategy on Steam, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.
Side-by-side comparison
 They Are Billions |  Swarm the City: Prologue | |
|---|---|---|
| Released | 2019 | 2021 |
| Genres | Strategy | Strategy, Indie, Simulation, RPG, Free To Play, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 29.99 USD | Price unknown |
| Steam reviews | 80.2% positive (18,746 reviews) | 77.8% positive (27 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Numantian Games | Magic Fuel Games |
Side by side
- Both are Strategy games on Steam.
- They Are Billions (2019) is 2 years older than Swarm the City: Prologue (2021).
- They Are Billions scores higher on Steam reviews (80.2% positive) than Swarm the City: Prologue (77.8% positive).
- They Are Billions is Deck Playable on Steam Deck; Swarm the City: Prologue has no Deck rating yet.
They Are Billions vs Swarm the City: Prologue — FAQ
- Should I play They Are Billions or Swarm the City: Prologue first?
- If you want chronology, They Are Billions (2019) came out before Swarm the City: Prologue (2021). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
- Are They Are Billions and Swarm the City: Prologue similar?
- They overlap on Strategy on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
- Does They Are Billions run on Steam Deck?
- Yes — They Are Billions is rated Deck Playable by Valve. Swarm the City: Prologue doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.