Choose Vaccine Rebirth
Choose Vaccine Rebirth if you want an Action experience. Vaccine Rebirth launched in 2023.
Vaccine Rebirth vs Only Out
Vaccine Rebirth and Only Out both land in 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 are Indie games on Steam. Vaccine Rebirth (2023) is 2 years older than Only Out (2025). Only Out is currently ~29% cheaper on Steam than Vaccine Rebirth (4.99 USD vs. 6.99 USD). 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 Only Out
Choose Only Out if it's currently about 29% cheaper on the Steam Store. Only Out launched in 2025.
Both Vaccine Rebirth and Only Out sit in Indie on Steam and both list Multi-player, Shared/Split Screen, and Steam Leaderboards, 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
 Vaccine Rebirth |  Only Out | |
|---|---|---|
| Released | 2023 | 2025 |
| Genres | Action, Indie | Indie |
| Platforms | Windows, Linux | Windows, macOS |
| Steam Deck | Unrated | Unrated |
| Price | 6.99 USD | 4.99 USD |
| Steam reviews | 76.5% positive (17 reviews) | — |
| Multiplayer | Multi-player, Shared/Split Screen Co-op, Co-op | Multi-player, Shared/Split Screen Co-op, Co-op |
| Developers | Rainy Night Creations | Shark Studio |
Side by side
- Both are Indie games on Steam.
- Vaccine Rebirth (2023) is 2 years older than Only Out (2025).
- Only Out is currently ~29% cheaper on Steam than Vaccine Rebirth (4.99 USD vs. 6.99 USD).
- Both support cooperative play.
Vaccine Rebirth vs Only Out — FAQ
- Should I play Vaccine Rebirth or Only Out first?
- If you want chronology, Vaccine Rebirth (2023) came out before Only Out (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 Vaccine Rebirth and Only Out similar?
- They overlap on 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 Vaccine Rebirth and Only Out have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Vaccine Rebirth ships Shared/Split Screen Co-op, Co-op; Only Out ships Shared/Split Screen Co-op, Co-op.