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