Star Regions

Star Regions is a single-player logic puzzle for iPhone and iPad with two rule sets in one app: one or two stars in every row, column and colored region, and no two stars may touch, not even diagonally. Everything runs on the device. TO SEE THE TWO-STAR MODE (about 30 seconds) The app opens straight onto a small 5x5 one-star puzzle, the rule set many puzzle apps use today. 1. Tap the size chip at the top left ("1 star, 5x5"). 2. Tap "Two stars", then 10x10 (confirm "New puzzle" if the current board already has marks). This is the board on our first screenshot: two stars in every row, column and region, the classic form of the genre known to puzzle solvers as Star Battle. Sizes: one-star on 5x5, 7x7, 9x9 and 11x11; two-star on 9x9, 10x10 and 12x12, all with the same controls. What we deliberately built differently from typical apps in this genre: - All seven sizes and both rule sets are…