Choose HELLDIVERS™ Dive Harder Edition
Choose HELLDIVERS™ Dive Harder Edition if you want the Online Co-op and Valve Anti-Cheat enabled side of the pairing. 10,139 Steam reviews back the pick.
HELLDIVERS™ Dive Harder Edition vs Ammo and Oxygen
HELLDIVERS™ Dive Harder Edition and Ammo and Oxygen both land in Action 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 are Action games on Steam. HELLDIVERS™ Dive Harder Edition (2015) is 10 years older than Ammo and Oxygen (2025). HELLDIVERS™ Dive Harder Edition scores higher on Steam reviews (91.7% positive) than Ammo and Oxygen (68.8% 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 Ammo and Oxygen
Choose Ammo and Oxygen if you want an Indie game with Custom Volume Controls, Stereo Sound, and Surround Sound. On Steam, it's currently about 81% cheaper on the Steam Store. Ammo and Oxygen launched in 2025.
Both HELLDIVERS™ Dive Harder Edition and Ammo and Oxygen sit in Action on Steam and both list Multi-player, Shared/Split Screen, and Shared/Split Screen 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
 HELLDIVERS™ Dive Harder Edition |  Ammo and Oxygen | |
|---|---|---|
| Released | 2015 | 2025 |
| Genres | Action | Action, Indie |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Deck Playable |
| Price | 19.99 USD | 3.74 USD |
| Steam reviews | 91.7% positive (10,139 reviews) | 68.8% positive (16 reviews) |
| Multiplayer | Multi-player, Online Co-op, Shared/Split Screen Co-op | Multi-player, Shared/Split Screen Co-op, Co-op |
| Developers | Arrowhead Game Studios | Juvty Worlds |
Side by side
- Both are Action games on Steam.
- HELLDIVERS™ Dive Harder Edition (2015) is 10 years older than Ammo and Oxygen (2025).
- HELLDIVERS™ Dive Harder Edition scores higher on Steam reviews (91.7% positive) than Ammo and Oxygen (68.8% positive).
- Ammo and Oxygen is currently ~81% cheaper on Steam than HELLDIVERS™ Dive Harder Edition (3.74 USD vs. 19.99 USD).
- Both support cooperative play.
- Both are Deck Playable.
HELLDIVERS™ Dive Harder Edition vs Ammo and Oxygen — FAQ
- Should I play HELLDIVERS™ Dive Harder Edition or Ammo and Oxygen first?
- If you want chronology, HELLDIVERS™ Dive Harder Edition (2015) came out before Ammo and Oxygen (2025). 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 HELLDIVERS™ Dive Harder Edition and Ammo and Oxygen similar?
- They overlap on Action 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 HELLDIVERS™ Dive Harder Edition and Ammo and Oxygen have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: HELLDIVERS™ Dive Harder Edition ships Online Co-op, Shared/Split Screen Co-op; Ammo and Oxygen ships Shared/Split Screen Co-op, Co-op.