Choose Sudoku-X
Choose Sudoku-X if it matches what drew you to this matchup. Sudoku-X launched in 2025.
Sudoku-X vs Sudoku-9
Sudoku-X and Sudoku-9 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. Both released in 2025. Sudoku-9 is currently ~51% cheaper on Steam than Sudoku-X (0.49 USD vs. 0.99 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 Sudoku-9
Choose Sudoku-9 if it's currently about 51% cheaper on the Steam Store. Sudoku-9 launched in 2025.
Both Sudoku-X and Sudoku-9 sit in Indie and Casual on Steam and both list Playable without Timed Input, Mouse Only Option, and Adjustable Difficulty, 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-X |  Sudoku-9 | |
|---|---|---|
| Released | 2025 | 2025 |
| Genres | Indie, Casual | Indie, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 0.99 USD | 0.49 USD |
| Steam reviews | 1 reviews | 1 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | ggame | ggame |
Side by side
- Both share Indie, Casual on Steam.
- Both released in 2025.
- Sudoku-9 is currently ~51% cheaper on Steam than Sudoku-X (0.49 USD vs. 0.99 USD).
Sudoku-X vs Sudoku-9 — FAQ
- Are Sudoku-X and Sudoku-9 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.