Puzzle ExpertG 10

Puzzle Expert G10:
Complete a puzzle on Expert difficulty without using any Guides or helper functions

This achievement requires that you complete an Expert difficulty puzzle without using any Guides, the Notes button, the Erase button, or hints. This might be challenging if you are new to Sudoku, but feel free to use a solver to make this quick and easy. Combine this achievement with "Okay, make me think" to minimize the amount of Expert puzzles you need to solve. The achievement will unlock at the puzzle completion screen.