(This post is part of the Genuinely Approachable Sudoku (GAS) series.)
All rows, columns, and regions have one lying given that you must uncover to get all the way to the finish in this Sudoku by Bill Murphy.

PDF

or solve online (using SudokuPad)

Author/Opus: This is the 138th puzzle from Bill Murphy, part of the Genuinely Approachable Sudoku (GAS) team.

Rules: Standard Sudoku rules (insert a number from 1 to 9 into each cell so that no number repeats in any row, column, or bold region). Also, exactly one clue in each row, column, and bold region is incorrect and must represent another number.

GAS Time Standards (highlight to view): Two party hats (🎩🥳): 7:00; One party hat (🥳): 13:00. All other solvers earn a 🦕: Deceptive Dreadnoughtus.

Thomas Hits the GAS (highlight to view): 2:57, with SudokuPad replay file shared as a download for now (requires loading via settings menu with improvements expected before people should use this regularly).

Solution: PDF; solving video with explanation to be added later from GAS team.

Note: Follow this link for other less common variations of Sudoku.

Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our Daily GAS discussion post on the GMPuzzles Discord. Not a member of the Discord? Click this link for basic access.