ClueSafe

Solve a clean offline logic grid challenge built around safe reveals, clue reading, and careful flag placement. Choose from beginner, intermediate, or advanced difficulty for quick sessions, then work through a 60-level campaign or take on the daily challenge. Each board opens with a safe starter area, supports zero-cell expansion, mark toggling, pause, undo for the latest mark, and instant restart. Win and loss states both provide review feedback so you can inspect the result and try again. The game keeps progress on-device only. Track best times, campaign clears, and daily completions without creating an account or depending on a network connection. Extra options include theme choice, flag-mode preference, haptic feedback, animation controls, and assist labels for number readability. Use the guide to learn the clue patterns, practice a small tutorial board, and return to the grid whenever you want a short, focused puzzle session.