Sudoku Complete

A singleplayer Sudoku game for both beginners and experts. You can play 9x9 puzzles across Easy, Medium, and Hard difficulties, or you can try your hand at variants (Classic 4x4, 6x6, 8x8, 12x12, Argyle, Center Dot, Sudoku X). Features a Zen Mode for relaxed play and a Challenge Mode to earn stars. With six board themes (Slate, Wood, Neon, Glass, Paper, and Classic black-and-white) and multiple background themes, make the board your own. Background music player with multiple Ambient, Rock, Hip-Hop, and Electronic tracks makes the game more enjoyable. All music is free for commercial use, taken from Pixabay. Other features include: auto-saving for each level to keep your entered digits and notes if you close the game, as well as remembering your last played level, helper options like error feedback, cell highlights, and auto-clearing notes, all toggleable in the settings, keyboard support for numbers and numpad keys, as well as clickable buttons for the mouse. Roadmap: leaderboards, various other sizes (16x16) and variants (Butterfly, Cross, Flower, Gattai3, Kazaguruma, Samurai, Sohei, Tripledoku, Twodoku, Asterisk, Chain9x9, Chain6x6, Consecutive, EvenOdd, Girandola, GreaterThan, Jigsaw, Killer, LittleKiller, Rossini, Skyscraper, DisjointGroups, SudokuMine, SudokuXV, Sujiken, Vudoku, Windoku, Kakuro, Futoshiki, Thermo, Arrow, Kropki, Palindrome, Renban, AntiKnight, AntiKing, BetweenLines, NonConsecutive, Frame). Let me know which one you prefer so you can see it faster in the game!