Variant Non Consecutive: Regions orthogonally adjacent may not have areas of consecutive values.
Rules here.
Variant Non Consecutive: Regions orthogonally adjacent may not have areas of consecutive values.
Rules here.
Variant Non rectangle : No region may be of rectangular shape (a square is a special rectangle).
Rules here.
Starting from today, formats of puzzles will not be consistent with the 8x8 then 9x9 then 10x10 series, and variants will be featured too. Look out for the rules stated at the start of the post.
Rules here.