Choose Hydraulic Empire
Choose Hydraulic Empire if you want an Indie and Simulation experience. On Steam, it's currently about 47% cheaper on the Steam Store. Hydraulic Empire launched in 2015.
Hydraulic Empire vs Iron Heart
Hydraulic Empire and Iron Heart both land in Action, Strategy, RPG 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, Strategy, RPG on Steam. Hydraulic Empire (2015) is 4 years older than Iron Heart (2019). Iron Heart scores higher on Steam reviews (50% positive) than Hydraulic Empire (41.7% 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 Iron Heart
Choose Iron Heart if you want an Adventure experience. On Steam, it's the newer release (2019) and ships with the modern feature baseline. Iron Heart launched in 2019.
Both Hydraulic Empire and Iron Heart sit in Action, Strategy, and RPG 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
 Hydraulic Empire |  Iron Heart | |
|---|---|---|
| Released | 2015 | 2019 |
| Genres | Action, Strategy, Indie, Simulation, RPG, Casual | Action, Strategy, Adventure, RPG, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 7.99 USD | 14.99 USD |
| Steam reviews | 41.7% positive (36 reviews) | 50% positive (16 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Batholith Entertainment | Creobit |
Side by side
- Both share Action, Strategy, RPG on Steam.
- Hydraulic Empire (2015) is 4 years older than Iron Heart (2019).
- Iron Heart scores higher on Steam reviews (50% positive) than Hydraulic Empire (41.7% positive).
- Hydraulic Empire is currently ~47% cheaper on Steam than Iron Heart (7.99 USD vs. 14.99 USD).
Hydraulic Empire vs Iron Heart — FAQ
- Should I play Hydraulic Empire or Iron Heart first?
- If you want chronology, Hydraulic Empire (2015) came out before Iron Heart (2019). 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 Hydraulic Empire and Iron Heart similar?
- They overlap on Action, Strategy, RPG 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.