Shikaku Logic Puzzle: BoxSlide

200 handcrafted Shikaku puzzles plus endless boards. Master 11 techniques from 4×4 to 16×16—offline, ad-free, and private. Every board has one solution.

Relax with 200 handcrafted Shikaku puzzles—then continue with fresh Endless Quilt boards. Every puzzle has one solution, with no guessing, no ads, and no tracking. Draw rectangles around numbered clues until every cell is covered. Start with compact 4×4 boards and master 11 logic techniques on your way to 16×16 challenges.

HOW TO PLAY • Draw one rectangle around each numbered clue. • Make the rectangle's area match its number. • Cover every cell exactly once. • Solve by deduction—never by required guessing.

WHAT MAKES BOXSLIDE DIFFERENT • 200 handcrafted puzzles across 10 chapters • Endless Quilt with locally generated, validated boards • 11 techniques taught step by step • Every board has one verified solution • Difficulty grows from 4×4 to 16×16 • Pinch-to-zoom and a drag magnifier for large grids • Autosave and local progress

CALM, PRIVATE, OFFLINE No ads. No accounts. No in-app purchases or subscriptions. No analytics or tracking. Everything works offline.

ACCESSIBLE PLAY BoxSlide supports VoiceOver, Dynamic Type, and Reduce Motion.

Turn numbers into a satisfying patchwork of rectangles—at your own pace.