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