Chem Sudoku
Classic sudoku with the first 9 elements standing in for 1 through 9. Free online chemistry game, no signup.
About this game
Classic sudoku with the first 9 elements standing in for 1 through 9. Fill the grid so every row, column, and 3x3 box has each element exactly once.
It is free to play in your browser and does not need an account.
What you practice
Sudoku logic, with the first nine elements standing in for the numbers 1 to 9.