IMHO.

They Are Billions vs Kingdom vs Zombies

They Are Billions and Kingdom vs Zombies 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 1 year older than Kingdom vs Zombies (2020). Kingdom vs Zombies is currently ~93% cheaper on Steam than They Are Billions (1.99 USD vs. 29.99 USD). 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 They Are Billions

Choose They Are Billions if you want the Steam Leaderboards side of the pairing. 18,746 Steam reviews back the pick.

Choose Kingdom vs Zombies

Choose Kingdom vs Zombies if you want an Indie and RPG experience. On Steam, it's currently about 93% cheaper on the Steam Store. Kingdom vs Zombies launched in 2020.

Both They Are Billions and Kingdom vs Zombies 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 vs Kingdom vs Zombies — Steam metadata comparison
They Are Billions — Steam game coverThey Are BillionsKingdom vs Zombies — Steam game coverKingdom vs Zombies
Released20192020
GenresStrategyStrategy, Indie, RPG
PlatformsWindowsWindows, macOS
Steam DeckDeck PlayableUnrated
Price29.99 USD1.99 USD
Steam reviews80.2% positive (18,746 reviews)3 reviews
MultiplayerSingle-player onlySingle-player only
DevelopersNumantian GamesAdam Cs

Side by side

They Are Billions vs Kingdom vs Zombies — FAQ

Should I play They Are Billions or Kingdom vs Zombies first?
If you want chronology, They Are Billions (2019) came out before Kingdom vs Zombies (2020). 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 Kingdom vs Zombies 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. Kingdom vs Zombies doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.
They Are Billions vs Kingdom vs Zombies (2026) · imho.run