Logic Masters Deutschland e.V.

Links: F-puzzles link
CTC link

Shikaku-Sudoku rules:

• - Classic sudoku rules apply.
• - The grid is entirely covered with non overlapping rectangles. Each rectangle contains exactly one circle, and the digit in the circle indicates the number of cells in the rectangle. n.b : digits can repeat within a rectangle if allowed by other rules, and a rectangle consisting of a single cell is valid.
Killer cages : digits within a cage can't repeat and sum to the total given in the top left of the cage.

example puzzle : Shikaku 101

My favorite of the three shikaku-sudoku I intended to post here. Hope you'll enjoy it :)

Also check Qodec's amazing puzzles with this ruleset if you haven't:

• -Shikasudoku
• -Shikasudoku 2
• -Ship's Wheel