Sudoku ′ No ads

Sudoku ′ No ads is a classic number puzzle game where players fill a 9x9 grid with numbers so that each column, each row, and each of the nine 3x3 subgrids contain all of the digits from 1 to 9. The game offers a clean, minimalist interface and a vast number of puzzles for endless replayability.

What each behavioural tag is based on

• Short sessionsRuns are self-contained, so stopping early costs you nothing.
• InterruptiblePut it down mid-session and pick it up cold.
• One-handedPlayable with a thumb, in portrait.
• Plays offlineNo connection needed once installed.
• No energy timersNothing caps how long you can play.
• Sound optionalNo audio cue carries information — fine on mute.
• Low focusPlayable while half-distracted.