Choose Underground: World War
Choose Underground: World War if you want an Indie game with Shared/Split Screen Co-op, HDR available, and Co-op. On Steam, it has co-op, so you can bring a friend. Underground: World War launched in 2026.
Underground: World War vs Mutant Rage
Underground: World War and Mutant Rage both land in Action, Early Access 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, Early Access on Steam. Mutant Rage (2025) is 1 year older than Underground: World War (2026). Underground: World War has co-op; Mutant Rage 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 Mutant Rage
Choose Mutant Rage if you want the Online PvP, LAN PvP, and DualShock Controller Support side of the pairing. Mutant Rage launched in 2025.
Both Underground: World War and Mutant Rage sit in Action and Early Access on Steam and both list Multi-player, Shared/Split Screen, and Shared/Split Screen PvP, 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
 Underground: World War |  Mutant Rage | |
|---|---|---|
| Released | 2026 | 2025 |
| Genres | Action, Indie, Early Access | Action, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | Price unknown | 19.99 USD |
| Steam reviews | — | 2 reviews |
| Multiplayer | Multi-player, Shared/Split Screen Co-op, Co-op | Multi-player |
| Developers | Underworld Interactive | Animas Games |
Side by side
- Both share Action, Early Access on Steam.
- Mutant Rage (2025) is 1 year older than Underground: World War (2026).
- Underground: World War has co-op; Mutant Rage does not.
Underground: World War vs Mutant Rage — FAQ
- Should I play Underground: World War or Mutant Rage first?
- If you want chronology, Mutant Rage (2025) came out before Underground: World War (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 Underground: World War and Mutant Rage similar?
- They overlap on Action, Early Access 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.