Choose Syndrome
Choose Syndrome if it matches what drew you to this matchup. Syndrome launched in 2016.
Syndrome vs Deep Line
Syndrome and Deep Line 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. Syndrome (2016) is 9 years older than Deep Line (2025). Deep Line is currently ~80% cheaper on Steam than Syndrome (3.99 USD vs. 19.99 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 Deep Line
Choose Deep Line if you want an Indie game with Custom Volume Controls and Stereo Sound. On Steam, it's currently about 80% cheaper on the Steam Store. Deep Line launched in 2025.
Both Syndrome and Deep Line sit in Action and Adventure 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
 Syndrome |  Deep Line | |
|---|---|---|
| Released | 2016 | 2025 |
| Genres | Action, Adventure | Action, Indie, Adventure |
| Platforms | Windows, macOS | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 19.99 USD | 3.99 USD |
| Steam reviews | 72.1% positive (147 reviews) | 7 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Camel 101 | DrugTank |
Side by side
- Both share Action, Adventure on Steam.
- Syndrome (2016) is 9 years older than Deep Line (2025).
- Deep Line is currently ~80% cheaper on Steam than Syndrome (3.99 USD vs. 19.99 USD).
Syndrome vs Deep Line — FAQ
- Should I play Syndrome or Deep Line first?
- If you want chronology, Syndrome (2016) came out before Deep Line (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 Syndrome and Deep Line 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.