Choose oO
Choose oO if it's currently about 80% cheaper on the Steam Store. oO launched in 2015.
oO vs Synthwave Tunnel
oO and Synthwave Tunnel 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. oO (2015) is 10 years older than Synthwave Tunnel (2025). oO is currently ~80% cheaper on Steam than Synthwave Tunnel (0.99 USD vs. 4.99 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 Synthwave Tunnel
Choose Synthwave Tunnel if you want a Casual and Early Access experience. On Steam, it's the newer release (2025) and ships with the modern feature baseline. Synthwave Tunnel launched in 2025.
Both oO and Synthwave Tunnel sit in Action and Indie on Steam, 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
 oO |  Synthwave Tunnel | |
|---|---|---|
| Released | 2015 | 2025 |
| Genres | Action, Indie | Action, Indie, Casual, Early Access |
| Platforms | Windows, macOS, Linux | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 0.99 USD | 4.99 USD |
| Steam reviews | 87.1% positive (371 reviews) | 4 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Maciej Targoni | Hard Shark Games |
Side by side
- Both share Action, Indie on Steam.
- oO (2015) is 10 years older than Synthwave Tunnel (2025).
- oO is currently ~80% cheaper on Steam than Synthwave Tunnel (0.99 USD vs. 4.99 USD).
- oO is Deck Playable on Steam Deck; Synthwave Tunnel has no Deck rating yet.
oO vs Synthwave Tunnel — FAQ
- Should I play oO or Synthwave Tunnel first?
- If you want chronology, oO (2015) came out before Synthwave Tunnel (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 oO and Synthwave Tunnel 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.
- Does oO run on Steam Deck?
- Yes — oO is rated Deck Playable by Valve. Synthwave Tunnel doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.