The first ever freeware helper and solver program for Killer Sudokus. This program knows it all about innies, outies, cage splitting and sum configurations. Check these features: • Use the backtracking solver to solve the toughest killer sudokus. • Enter a killer sudoku with ease. • Supports Killer-X, Jigsaw Sudoku and jigsaw killers, diagonal cage connections. • Copy and paste grids from and to forums. • Opens text files in proprietary and PS format. • Candidate view (little numbers) and digits filters. • Select the cages and individual cells to be summed up by the program. • View all possible configurations for a cage. • Ask SumoCue for a hint or let it step though the puzzle.