Choose They Breathe
Choose They Breathe if you want the Shared/Split Screen PvP side of the pairing. On Steam, it's currently about 33% cheaper on the Steam Store. They Breathe launched in 2014.
They Breathe vs Outbreak: Endless Nightmares
They Breathe and Outbreak: Endless Nightmares both land in Action, Indie, 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, Indie, Adventure on Steam. They Breathe (2014) is 7 years older than Outbreak: Endless Nightmares (2021). They Breathe scores higher on Steam reviews (86.2% positive) than Outbreak: Endless Nightmares (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 Outbreak: Endless Nightmares
Choose Outbreak: Endless Nightmares if you want a RPG experience. On Steam, it's the newer release (2021) and ships with the modern feature baseline. Outbreak: Endless Nightmares launched in 2021.
Both They Breathe and Outbreak: Endless Nightmares sit in Action, Indie, and Adventure 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
 They Breathe |  Outbreak: Endless Nightmares | |
|---|---|---|
| Released | 2014 | 2021 |
| Genres | Action, Indie, Adventure | Action, Indie, Adventure, RPG |
| Platforms | Windows, macOS | Windows, Linux |
| Steam Deck | Deck Verified | Unrated |
| Price | 1.99 USD | 2.99 USD |
| Steam reviews | 86.2% positive (638 reviews) | 50% positive (24 reviews) |
| Multiplayer | Multi-player, Shared/Split Screen Co-op, Co-op | Multi-player, Shared/Split Screen Co-op, Co-op |
| Developers | The Working Parts | Dead Drop Studios LLC |
Side by side
- Both share Action, Indie, Adventure on Steam.
- They Breathe (2014) is 7 years older than Outbreak: Endless Nightmares (2021).
- They Breathe scores higher on Steam reviews (86.2% positive) than Outbreak: Endless Nightmares (50% positive).
- They Breathe is currently ~33% cheaper on Steam than Outbreak: Endless Nightmares (1.99 USD vs. 2.99 USD).
- Both support cooperative play.
- They Breathe is Deck Verified on Steam Deck; Outbreak: Endless Nightmares has no Deck rating yet.
They Breathe vs Outbreak: Endless Nightmares — FAQ
- Should I play They Breathe or Outbreak: Endless Nightmares first?
- If you want chronology, They Breathe (2014) came out before Outbreak: Endless Nightmares (2021). 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 They Breathe and Outbreak: Endless Nightmares similar?
- They overlap on Action, Indie, 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.
- Do both They Breathe and Outbreak: Endless Nightmares have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: They Breathe ships Shared/Split Screen Co-op, Co-op; Outbreak: Endless Nightmares ships Shared/Split Screen Co-op, Co-op.
- Does They Breathe run on Steam Deck?
- Yes — They Breathe is rated Deck Verified by Valve. Outbreak: Endless Nightmares doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.