Choose HAEX
Choose HAEX if you want an Early Access game with Online Co-op, LAN Co-op, and DualShock Controller Support. On Steam, it has co-op, so you can bring a friend.
HAEX vs KILLWORLD
HAEX and KILLWORLD both land in Action, 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, Adventure on Steam. HAEX has co-op; KILLWORLD 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 KILLWORLD
Choose KILLWORLD if you want the PvP, Stereo Sound, and Playable without Timed Input side of the pairing. KILLWORLD launched in 2026.
Both HAEX and KILLWORLD sit in Action and Adventure on Steam and both list Multi-player, 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
 HAEX |  KILLWORLD | |
|---|---|---|
| Released | — | 2026 |
| Genres | Action, Adventure, Early Access | Action, Adventure |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | Price unknown | Price unknown |
| Steam reviews | — | — |
| Multiplayer | Multi-player, Online Co-op, LAN Co-op | Multi-player |
| Developers | Dead Astronauts | Hunt Studio |
Side by side
- Both share Action, Adventure on Steam.
- HAEX has co-op; KILLWORLD does not.
HAEX vs KILLWORLD — FAQ
- Are HAEX and KILLWORLD similar?
- They overlap on Action, 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.