Choose Zombie Within
Choose Zombie Within if you want a Casual experience. Zombie Within launched in 2024.
Zombie Within vs Alterum
Zombie Within and Alterum both land in Action, Indie 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 on Steam. Zombie Within (2024) is 2 years older than Alterum (2026). Both support cooperative play. 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 Alterum
Choose Alterum if you want the LAN PvP, LAN Co-op, and Camera Comfort side of the pairing. Alterum launched in 2026.
Both Zombie Within and Alterum sit in Action and Indie on Steam and both list Multi-player, Online PvP, and Online Co-op, 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
 Zombie Within |  Alterum | |
|---|---|---|
| Released | 2024 | 2026 |
| Genres | Action, Indie, Casual | Action, Indie |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 9.99 USD | Price unknown |
| Steam reviews | 70% positive (10 reviews) | — |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player, Online Co-op, LAN Co-op |
| Developers | NewGen | Hot Winter |
Side by side
- Both share Action, Indie on Steam.
- Zombie Within (2024) is 2 years older than Alterum (2026).
- Both support cooperative play.
- Zombie Within is Deck Playable on Steam Deck; Alterum has no Deck rating yet.
Zombie Within vs Alterum — FAQ
- Should I play Zombie Within or Alterum first?
- If you want chronology, Zombie Within (2024) came out before Alterum (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 Zombie Within and Alterum similar?
- They overlap on Action, Indie 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.
- Do both Zombie Within and Alterum have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Zombie Within ships Online Co-op, Co-op; Alterum ships Online Co-op, LAN Co-op.
- Does Zombie Within run on Steam Deck?
- Yes — Zombie Within is rated Deck Playable by Valve. Alterum doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.