Shikaku Logic Puzzle2026

Shikaku is an offline logic puzzle game based on classic Shikaku rules. Your goal is to divide the board into rectangular regions. Each region must contain exactly one number, and the number of cells in that rectangle must match the number clue. The app includes puzzles across multiple difficulty levels and supports candidate borders, region marking, conflict checks, undo and redo, timing stats, and local progress saving. All content can be played offline. No login, no network access, and no personal data collection are required. It is a one-time paid download for players who enjoy Sudoku, nonograms, Hashiwokakero, Tents and Trees, and other logic puzzles. Key features: 1. Multiple Shikaku difficulty levels: from beginner puzzles to expert challenges. 2. Candidate borders and region marks: draw, erase, and highlight areas to support logical solving. 3. Conflict checks and answer validation: find area mismatches, overlapping regions, missing cells, and other common mistakes. 4. Undo, redo, and draft mode: reduce accidental input issues on small screens. 5. Timer stats and local progress: track completion times, best records, and unfinished puzzles. 6. Fully offline play: no account, no internet, no ads, and no data collection.