Doppelblock
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Play Doppelblock (Double Block) free online.
About Doppelblock
Play Doppelblock (Double Block) free online. Blacken exactly two cells in each row and column, fill the rest with digits 1 to N-2 (Latin square), and use outside sum clues between black cells. 30 unique-solution levels across 5 tiers from 5x5 Beginner to 7x7 Expert.
Description provided by GameZipper.
Controls
This game supports touch, keyboard, mouse input; the exact controls are explained inside the game.
Questions
- How do you play Doppelblock?
- Blacken exactly two cells in each row and exactly two cells in each column. Then fill the remaining white cells with digits 1 to N-2 so each digit appears exactly once per row and once per column. Outside clues show the sum of the digits strictly between the two black cells in that line.
- How many levels does Doppelblock have?
- 30 levels across 5 tiers: Beginner (5x5), Easy (5x5), Medium (6x6), Hard (7x7), and Expert (7x7). Each puzzle has a unique solution.
