Choose Starlight X-2: Space Sudoku
Choose Starlight X-2: Space Sudoku if you want the Steam Leaderboards and Camera Comfort side of the pairing. Starlight X-2: Space Sudoku launched in 2021.
Starlight X-2: Space Sudoku vs Dotu
Starlight X-2: Space Sudoku and Dotu both land in Strategy, 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 Strategy, Indie, Casual on Steam. Starlight X-2: Space Sudoku (2021) is 4 years older than Dotu (2025). Dotu is currently ~43% cheaper on Steam than Starlight X-2: Space Sudoku (4.01 USD vs. 6.99 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 Dotu
Choose Dotu if you want the DualShock Controller Support, Subtitle Options, and Stereo Sound side of the pairing. On Steam, it's currently about 43% cheaper on the Steam Store. Dotu launched in 2025.
Both Starlight X-2: Space Sudoku and Dotu sit in Strategy, Indie, and Casual on Steam and both list Custom Volume Controls, Playable without Timed Input, and Mouse Only Option, 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
 Starlight X-2: Space Sudoku |  Dotu | |
|---|---|---|
| Released | 2021 | 2025 |
| Genres | Strategy, Indie, Casual | Strategy, Indie, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 6.99 USD | 4.01 USD |
| Steam reviews | 6 reviews | 7 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Frozax Games | Chicken Undercover |
Side by side
- Both share Strategy, Indie, Casual on Steam.
- Starlight X-2: Space Sudoku (2021) is 4 years older than Dotu (2025).
- Dotu is currently ~43% cheaper on Steam than Starlight X-2: Space Sudoku (4.01 USD vs. 6.99 USD).
Starlight X-2: Space Sudoku vs Dotu — FAQ
- Should I play Starlight X-2: Space Sudoku or Dotu first?
- If you want chronology, Starlight X-2: Space Sudoku (2021) came out before Dotu (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 Starlight X-2: Space Sudoku and Dotu similar?
- They overlap on Strategy, 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.