5 stars: Very challenging. Well layed out. I've been playing for months and still enjoy playing.
5 stars: love the puzzles, love the model. no identity theft or endless ads. pay a very reasonable price for a puzzle pack. works well.
4 stars: Very interesting and user friendly. Making me addicted to this game.
4 stars: Really enjoyed these puzzles. The hardest level was challenging without being impossible.
5 stars: amazing killer soduko game, with different difficulty levels
4 stars: could do with a calculator option on the killer levels
5 stars: Brilliant game especially with the free weekly games
4 stars: Overall good, but I can't handle not having a multi-cell select, or a copy paste. Anything to help the tedium of filling out notes for the whole board
4 stars: I liked what I played but the add ons are far too expensive. I have a straight Kakuro game in which I paid a single fee of about £3 for 1000 games - that would cost around £50 in this one. No thanks.
5 stars: I've enjoyed solving this puzzle on paper for years, now I can use the app. The pencil marks are extremely small and difficult to see; the ability to enlarge the puzzle would help a lot.
4 stars: Great app. Much more interesting and challenging than regular Sudoku. One suggestion...allow a player to select and \
5 stars: Straight forward Killer Sudoku, easy to use, I love it, so far. I have only been using it a few days... 3 levels, the easiest is quite straight forwa...