1 Rule Sudoku Achievements Here is the full list of all 24 1 Rule Sudoku achievements.Filter Achievement View View Image viewList view Sort by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc What are achievement flags? Click to find outApply PlayStart the game EasySolve 1 Easy Puzzle IntermediateSolve 1 Intermediate Puzzle HardSolve 1 Hard Puzzle ImpossibleSolve 1 Impossible Puzzle Easy MasterSolve 10 Easy Puzzles Intermediate MasterSolve 10 Intermediate Puzzles Hard MasterSolve 10 Hard Puzzles Impossible MasterSolve 10 Impossible Puzzles Sudoku MasterSolve 100 Puzzles 4x4Solve 1 4x4 Puzzle 6x6Solve 1 6x6 Puzzle 9x9Solve 1 9x9 Puzzle 4x4 MasterSolve 10 4x4 Puzzles 6x6 MasterSolve 10 6x6 Puzzles 9x9 MasterSolve 10 9x9 Puzzles RulesRead the Rules 3x3Solve 1 3x3 Puzzle 3x3 MasterSolve 10 3x3 Puzzles GraeldonWorld's First Sudoku Master 8x8Solve 1 8x8 Puzzle 8x8 MasterSolve 10 8x8 Puzzles 10x10Solve 1 10x10 Puzzle 10x10 MasterSolve 10 10x10 Puzzles