Full list of all 45 Microsoft Sudoku (UWP) achievements worth 1,000 gamerscore. It takes around 80-100 hours to unlock all of the achievements on Windows.
Reached Level 250
Completed 100 Puzzles
Reached Level 100
Completed a puzzle with the "Show Remaining" setting turned off
Finished a puzzle by filling the corner cells last
Completed a puzzle where the last squares filled formed an “X” shape in the centre 3x3 block
Completed 10 Irregular puzzles
Completed 10 Expert puzzles without making mistakes
Completed 3 puzzles of each difficulty
Completed a Master puzzle without using Notes
Broke 250 ice blocks
Finished a puzzle by correctly placing 7 consecutive sevens
Completed a puzzle on each difficulty
Completed a Grandmaster puzzle
Completed a Master puzzle
Completed a puzzle where the last nine consecutive moves are the numbers 1-9
Completed a puzzle by solving the centre cell last
Solved 3 Expert puzzles in a row
Completed an Expert puzzle
Solved 100 Irregular Shapes
Completed a puzzle in less than 1 minute
Used 15 hints
Completed 5 Hard puzzles
Completed 5 Medium puzzles
Solved 5 Easy puzzles in a row
Completed 5 puzzles without making mistakes
Broke 4 ice blocks in a single move
Completed your first puzzle
Completed a puzzle with a theme that isn't named Simple
Completed a puzzle without using Notes
Completed all Daily Challenge Days of a month
Completed at least one Daily Challenge on each day of the month's calendar
Reached Level 30
Won a diamond Daily Challenge badge.
Entered more than 500 Notes
Placed 500 numbers correctly
Reached Level 10
Entered more than 100 Notes
Completed an Irregular Daily Challenge
Won your first Daily Challenge
Reached Level 2
Win 12 Bronze Daily Challenge Badges
Win 8 Gold Daily Challenge Badges
Complete 500 puzzles
Win 10 silver Daily Challenge Badges.