Choose Turtle Odyssey
Choose Turtle Odyssey if it's currently about 40% cheaper on the Steam Store. Turtle Odyssey launched in 2015.
Turtle Odyssey vs Sonic Mania
Turtle Odyssey and Sonic Mania both land in Action, Adventure, Casual 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, Casual on Steam. Turtle Odyssey (2015) is 2 years older than Sonic Mania (2017). Sonic Mania scores higher on Steam reviews (93.4% positive) than Turtle Odyssey (90.8% 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 Sonic Mania
Choose Sonic Mania if you want the Multi-player, Shared/Split Screen, and Steam Leaderboards side of the pairing. On Steam, it's Steam Deck Verified, so handheld play works out of the box. 13,860 Steam reviews back the pick.
Both Turtle Odyssey and Sonic Mania sit in Action, Adventure, and Casual 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
 Turtle Odyssey |  Sonic Mania | |
|---|---|---|
| Released | 2015 | 2017 |
| Genres | Action, Adventure, Casual | Action, Adventure, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Deck Verified |
| Price | 2.99 USD | 4.99 USD |
| Steam reviews | 90.8% positive (76 reviews) | 93.4% positive (13,860 reviews) |
| Multiplayer | Single-player only | Multi-player, Shared/Split Screen Co-op, Co-op |
| Developers | Qumaron | Christian Whitehead, Headcannon, PagodaWest Games |
Side by side
- Both share Action, Adventure, Casual on Steam.
- Turtle Odyssey (2015) is 2 years older than Sonic Mania (2017).
- Sonic Mania scores higher on Steam reviews (93.4% positive) than Turtle Odyssey (90.8% positive).
- Turtle Odyssey is currently ~40% cheaper on Steam than Sonic Mania (2.99 USD vs. 4.99 USD).
- Sonic Mania has co-op; Turtle Odyssey does not.
- Sonic Mania is Deck Verified on Steam Deck; Turtle Odyssey has no Deck rating yet.
Turtle Odyssey vs Sonic Mania — FAQ
- Should I play Turtle Odyssey or Sonic Mania first?
- If you want chronology, Turtle Odyssey (2015) came out before Sonic Mania (2017). 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 Turtle Odyssey and Sonic Mania similar?
- They overlap on Action, Adventure, Casual 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 Turtle Odyssey have multiplayer like Sonic Mania?
- No. Sonic Mania supports multiplayer on Steam (Multi-player, Shared/Split Screen Co-op, Co-op), while Turtle Odyssey is listed as single-player only.