Book · Board game
NUMIKA · Tomo III · Medio
Out on Monday 24 August. Where kakuro stops being forgiving.
- Year
- 2026
- Type
- Book
- Role
- Own production
- Platform
- Amazon KDP
Out on Monday 24 August 2026.
NUMIKA is a variant of classic kakuro with four special rules that transform every puzzle: ×2 multiplier cells, linked cells that share a number, chains of consecutive numbers, and mirror cells that add up to 10. They are not decoration: without them, the puzzle has no solution.
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This is the Medio level of the collection: 80 puzzles ordered by Mastery index, from 222 a 335. You can come from the previous volume or start here: the opening pages include the full instructions, the four rules with illustrated examples and the combinations table.
Guaranteed unique solution: every puzzle is computer-verified and solvable by reasoning, never by guessing. Full solutions at the end of the volume. High-contrast black and white interior with roomy cells to write in. Suggested age: 12+.
The NUMIKA collection runs to 5 volumes, from Beginner to Expert.