Dr Sudoku (USA)

Dr. Sudoku (USA) on the GBA is a pure Sudoku puzzle game. The objective is to fill each cell of a 9x9 grid with numbers from 1 to 9 so that each row, each column, and each 3x3 subgrid contains all the numbers from 1 to 9 without repetition.
The game offers various difficulty levels, ranging from easy to hard, allowing players to start with simple puzzles and gradually improve their skills. The difficulty level is indicated by the number of pre-filled cells; the fewer pre-filled cells, the harder the puzzle.
The interface of Dr. Sudoku (USA) on the GBA is simple and user-friendly. Players can easily select the cell to fill by using the directional buttons on the GBA. Number input is also straightforward, usually using the number buttons on the device.
Some features that might be included are: hints (allowing the game to suggest a number for a cell if the player is stuck), erase (allowing players to delete incorrectly filled numbers), and an error checking mode (allowing players to quickly identify errors in the puzzle).
There are no rewards or complex storylines in Dr. Sudoku (USA); the focus is entirely on solving Sudoku puzzles accurately and efficiently. This is a perfect game for those who enjoy Sudoku and want to hone their logical thinking skills.