Cagedoku vs Logic Arcade

Cagedoku combines arithmetic and logic in colorful cage puzzles. Place numbers without repeating them in any row or column. Use the operation shown in each cage to reach its target. Choose a board from 3×3 to 9×9 and one of four difficulty options. Learn the rules through a playable tutorial. Use pencil notes, hints, undo and redo, and resume unfinished solo puzzles. Play solo offline without creating an account. Cagedoku is free and has no ads.

Eight classic math and logic puzzles in one app. No ads. No accounts. Just puzzles. GAMES INCLUDED: - Water Jugs — Measure a target volume by filling, emptying, and pouring between jugs. Based on Bezout's identity and the Extended Euclidean Algorithm. - Tower of Hanoi — Move stacked disks between rods without placing a larger disk on a smaller one. Includes the classic 3-rod puzzle and the 4-peg Frame-Stewart variant with a custom sandbox mode. - Sliding Puzzle — Arrange numbered tiles in order on grids from 3x3 to 6x6. The original 15-puzzle, popularized in the 1880s. - Lights Out — Toggle lights on a grid where each press flips neighboring lights. Rooted in linear algebra over GF(2). - Knight's Tour — Guide a chess knight to visit every square exactly once. Studied by Euler, solved by Warnsdorff's heuristic. - Egyptian Fractions — Decompose fractions into sums of distinct unit fractions. Features authentic hieroglyphic numeral display. - Turntables — Rotate interlocking rings to arrange colored tokens. A physical model of permutation groups and Hungarian Rings. - River Crossing — Ferry the wolf, the goat and the cabbage (and later wolves, sheep, oxen and a sheepdog) across the river without anyone getting eaten. Alcuin's 1,200-year-old puzzle and the missionaries-and-cannibals problem. FEATURES: - Up to 40+ hand-crafted campaign levels per game - Chapter-based progression with increasing difficulty - Auto-save and resume — pick up right where you left off - "The Math" — brief explainers on the theorem behind each game - Personal best tracking for moves and time - Free Play / Random mode for 5 games + custom sandbox for Tower of Hanoi and Knight's Tour (Pro) - Works completely offline - No ads. No tracking. No data collected. UNLOCK FULL GAME: Chapter 1 of every game is completely free. Unlock the full game with a single one-time purchase to get chapters 2-4 across all 8 games, Free Play mode (with chapter 1 Random unlockable for free by beating the chapter), custom sandbox modes for Tower of Hanoi and Knight's Tour, and all future content.