Sudoku for the modern era! Griddition is a game that, on its surface, seems like 2048 in many ways. Both games are puzzles based on moving around number-filled boxes. The key difference between these games, however, is that while 2048 is a game that you can pick up and swipe away at for a few hours (or, most likely, minutes), Griddition is a game that actively challenges you as you go with progressive and dynamic changes, ultimately making for a …