Choose Gnumz: Masters of Defense
Choose Gnumz: Masters of Defense if you want a Sports and Simulation experience. On Steam, it's currently about 90% cheaper on the Steam Store. Gnumz: Masters of Defense launched in 2015.
Gnumz: Masters of Defense vs Iron Heart
Gnumz: Masters of Defense and Iron Heart both land in Action, Strategy, 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, Strategy, Adventure on Steam. Gnumz: Masters of Defense (2015) is 4 years older than Iron Heart (2019). Gnumz: Masters of Defense scores higher on Steam reviews (63.8% positive) than Iron Heart (50% 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 it's the newer release (2019) and ships with the modern feature baseline. Iron Heart launched in 2019.
Both Gnumz: Masters of Defense and Iron Heart sit in Action, Strategy, 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
 Gnumz: Masters of Defense |  Iron Heart | |
|---|---|---|
| Released | 2015 | 2019 |
| Genres | Action, Sports, Strategy, Adventure, Simulation, RPG, Casual | Action, Strategy, Adventure, RPG, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 1.49 USD | 14.99 USD |
| Steam reviews | 63.8% positive (47 reviews) | 50% positive (16 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Creobit | Creobit |
Side by side
- Both share Action, Strategy, Adventure on Steam.
- Gnumz: Masters of Defense (2015) is 4 years older than Iron Heart (2019).
- Gnumz: Masters of Defense scores higher on Steam reviews (63.8% positive) than Iron Heart (50% positive).
- Gnumz: Masters of Defense is currently ~90% cheaper on Steam than Iron Heart (1.49 USD vs. 14.99 USD).
Gnumz: Masters of Defense vs Iron Heart — FAQ
- Should I play Gnumz: Masters of Defense or Iron Heart first?
- If you want chronology, Gnumz: Masters of Defense (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 Gnumz: Masters of Defense and Iron Heart similar?
- They overlap on Action, Strategy, 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.