Splendid Killer Sudoku

Sharpen your mind with Splendid Killer Sudoku — the number puzzle with a twist. Killer Sudoku combines the logic of classic Sudoku with the challenge of cage sums. Fill the grid so every row, column, and box contains each number once — but here's the twist: dashed "cages" group cells together, and the numbers inside each cage must add up to its target sum, with no repeats. It's Sudoku, evolved. FEATURES - Two grid sizes — play quick 6×6 puzzles or dive into full 9×9 challenges - Three difficulty levels — Easy, Medium, and Hard, for beginners and veterans alike - Endless puzzles — every puzzle is uniquely generated with a guaranteed single solution - Smart hints — stuck on a cell? Get a hint to keep your streak alive - Pencil marks & notes — jot down candidates just like on paper - Undo & erase — experiment freely without fear - Mistake tracking — know when you've slipped so you can…