Singles

Block out numbers such that only 1 of each number appears in each row and column. This is a port of Simon Tatham's Light Up: https://www.chiark.greenend.org.uk/~sgtatham/puzzles/js/singles.html Infinite level generation, fully customizable. Other notable Features: Settings menu (adjust appearance margins and double tap in milliseconds) Saves in-progress level state (you can come back to a level partway)