Choose Sudoku Zenkai / 数独全卡
Choose Sudoku Zenkai / 数独全卡 if you want a Strategy game with Steam Leaderboards, Playable without Timed Input, and Keyboard Only Option. Sudoku Zenkai / 数独全卡 launched in 2018.
Sudoku Zenkai / 数独全卡 vs Rhythia
Sudoku Zenkai / 数独全卡 and Rhythia both land in Indie, 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 Indie, Casual on Steam. Sudoku Zenkai / 数独全卡 (2018) is 8 years older than Rhythia (2026). Sudoku Zenkai / 数独全卡 scores higher on Steam reviews (85.4% positive) than Rhythia (69% 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 Rhythia
Choose Rhythia if you want an Early Access game with Online PvP, PvP, and Adjustable Text Size. On Steam, it's the newer release (2026) and ships with the modern feature baseline. Rhythia launched in 2026.
Both Sudoku Zenkai / 数独全卡 and Rhythia sit in Indie and Casual on Steam and both list Multi-player, Online Co-op, and Color Alternatives, 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
 Sudoku Zenkai / 数独全卡 |  Rhythia | |
|---|---|---|
| Released | 2018 | 2026 |
| Genres | Strategy, Indie, Casual | Indie, Casual, Early Access |
| Platforms | Windows, macOS, Linux | Windows, macOS, Linux |
| Steam Deck | Unrated | Deck Playable |
| Price | 3.99 USD | 3.99 USD |
| Steam reviews | 85.4% positive (82 reviews) | 69% positive (406 reviews) |
| Multiplayer | Multi-player, Cross-Platform Multiplayer, Online Co-op | Multi-player, Cross-Platform Multiplayer, Online Co-op |
| Developers | ImaginationOverflow | Capo Games |
Side by side
- Both share Indie, Casual on Steam.
- Sudoku Zenkai / 数独全卡 (2018) is 8 years older than Rhythia (2026).
- Sudoku Zenkai / 数独全卡 scores higher on Steam reviews (85.4% positive) than Rhythia (69% positive).
- Rhythia is currently ~0% cheaper on Steam than Sudoku Zenkai / 数独全卡 (3.99 USD vs. 3.99 USD).
- Both support cooperative play.
- Rhythia is Deck Playable on Steam Deck; Sudoku Zenkai / 数独全卡 has no Deck rating yet.
Sudoku Zenkai / 数独全卡 vs Rhythia — FAQ
- Should I play Sudoku Zenkai / 数独全卡 or Rhythia first?
- If you want chronology, Sudoku Zenkai / 数独全卡 (2018) came out before Rhythia (2026). 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 Sudoku Zenkai / 数独全卡 and Rhythia similar?
- They overlap on Indie, 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.
- Do both Sudoku Zenkai / 数独全卡 and Rhythia have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Sudoku Zenkai / 数独全卡 ships Online Co-op, Co-op; Rhythia ships Online Co-op, Co-op.