Sudoku: Zenkai

: Automatically updates notes as you fill in cells.

is a digital puzzle experience designed to modernize the classic logic game by making it social and highly customizable. Developed by ImaginationOverflow , it is available across multiple platforms including Steam , Nintendo Switch , iOS, and Android. Key Features Sudoku Zenkai

: A "time travel" feature that lets you jump back to the last moment your board was error-free. : Automatically updates notes as you fill in cells

: Instantly spots duplicate numbers in rows, columns, or squares. Key Features : A "time travel" feature that

: Its standout feature is the Co-op Mode , which allows you to invite a friend to solve a puzzle together in real-time. You can start a fresh board together or call for help on a tricky one you’re already working on.

The game emphasizes a "zen" atmosphere with various themes, including a popular Midnight dark theme for late-night sessions. It also supports cross-platform play, allowing users on PC to solve puzzles with those on mobile devices.