Hierarchical Sudoku

Mouse-only controls:

-Click a space to move there

-While on a blank space, click on one of the small gray numbers to write that number in

-While on a written-in space, click on that space to erase what?s in it

-To identify tiles, check the ?Identification Hand? box, then click the tiles you want identified. Be sure to uncheck it before you click any tile you don?t want identified!

-To move between puzzles, use the ?Up? and ?Down? buttons.

Keyboard-only controls:

-Use WASD or the arrow keys to move

-Type a number to write it into a blank space

-Type 0 or Backspace to erase a written in space

-Press Shift+I to identify a space

-To move between puzzles, use Shift+Comma and Shift+Period (< and > on most keyboards)