IMHO.

Classic Sudoku vs Thermo Sudoku

Classic Sudoku and Thermo Sudoku 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. Classic Sudoku (2019) is 1 year older than Thermo Sudoku (2020). Thermo Sudoku scores higher on Steam reviews (96.1% positive) than Classic Sudoku (92.7% 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 Classic Sudoku

Choose Classic Sudoku if it matches what drew you to this matchup. Classic Sudoku launched in 2019.

Choose Thermo Sudoku

Choose Thermo Sudoku if it carries the stronger Steam consensus at 96.1% positive across 129 reviews.

Both Classic Sudoku and Thermo Sudoku sit in Strategy, Indie, 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

Classic Sudoku vs Thermo Sudoku — Steam metadata comparison
Classic Sudoku — Steam game coverClassic SudokuThermo Sudoku — Steam game coverThermo Sudoku
Released20192020
GenresStrategy, Indie, CasualStrategy, Indie, Casual
PlatformsWindows, macOSWindows, macOS
Steam DeckDeck PlayableUnrated
Price4.99 USD4.99 USD
Steam reviews92.7% positive (399 reviews)96.1% positive (129 reviews)
MultiplayerSingle-player onlySingle-player only
DevelopersStudio GoyaStudio Goya

Side by side

Classic Sudoku vs Thermo Sudoku — FAQ

Which is better, Classic Sudoku or Thermo Sudoku?
On Steam reviews Thermo Sudoku scores higher (96.1% positive) than Classic Sudoku (92.7% positive). Both have enough reviews to trust the signal, so for players using reviews alone, Thermo Sudoku is the safer pick. Genre fit still matters — check the side-by-side table for the categories each game lands in.
Should I play Classic Sudoku or Thermo Sudoku first?
If you want chronology, Classic Sudoku (2019) came out before Thermo Sudoku (2020). 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 Classic Sudoku and Thermo Sudoku 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.
Does Classic Sudoku run on Steam Deck?
Yes — Classic Sudoku is rated Deck Playable by Valve. Thermo Sudoku doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.
Classic Sudoku vs Thermo Sudoku — Verdict (2026) · imho.run