For Sudoku 'n Springtime, the goal is just like 'regular' Sudoku in that you need to fill the grid in such that numbers 1-9 are across each row, down each column and each 3x3 square. No dupicates allowed.

Click the number you would like to place in an empty box and then on the box to place it there

To write or erase notes in Sudoku 'n Springtime, change just draw and erase on the game board