Choose The Iron Union
Choose The Iron Union if you want a Simulation and Casual experience. On Steam, it's a focused single-player run rather than a multiplayer commitment. The Iron Union launched in 2022.
The Iron Union vs Zombies & Bullets
The Iron Union and Zombies & Bullets both land in Action, Indie, Adventure 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 share Action, Indie, Adventure on Steam. The Iron Union (2022) is 4 years older than Zombies & Bullets (2026). Zombies & Bullets has co-op; The Iron Union does not. 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 Zombies & Bullets
Choose Zombies & Bullets if you want the Multi-player, Shared/Split Screen, and Shared/Split Screen Co-op side of the pairing. On Steam, it's the newer release (2026) and ships with the modern feature baseline. Zombies & Bullets launched in 2026.
Both The Iron Union and Zombies & Bullets sit in Action, Indie, and Adventure 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
 The Iron Union |  Zombies & Bullets | |
|---|---|---|
| Released | 2022 | 2026 |
| Genres | Action, Indie, Adventure, Simulation, Casual | Action, Indie, Adventure |
| Platforms | Windows, Linux | Windows, Linux |
| Steam Deck | Unrated | Unrated |
| Price | 0.99 USD | Price unknown |
| Steam reviews | 2 reviews | — |
| Multiplayer | Single-player only | Multi-player, Shared/Split Screen Co-op, Co-op |
| Developers | Horn of the sea | Muriki Studio |
Side by side
- Both share Action, Indie, Adventure on Steam.
- The Iron Union (2022) is 4 years older than Zombies & Bullets (2026).
- Zombies & Bullets has co-op; The Iron Union does not.
The Iron Union vs Zombies & Bullets — FAQ
- Should I play The Iron Union or Zombies & Bullets first?
- If you want chronology, The Iron Union (2022) came out before Zombies & Bullets (2026). 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 The Iron Union and Zombies & Bullets similar?
- They overlap on Action, Indie, Adventure 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 The Iron Union have multiplayer like Zombies & Bullets?
- No. Zombies & Bullets supports multiplayer on Steam (Multi-player, Shared/Split Screen Co-op, Co-op), while The Iron Union is listed as single-player only.