Sudoku Variants Series (183) - Parquet Sudoku — Rätselportal — Logic Masters Deutschland

Residual Neighbours Sudoku I — Rätselportal — Logic Masters Deutschland

British Whispers (Sudoku Variant) — Rätselportal — Logic Masters Deutschland

Extreme measures (Parity killer/little killer) — Rätselportal — Logic Masters Deutschland

Shift-omefel's Theorem — Rätselportal — Logic Masters Deutschland

Sudoku Variants Series (148) - Dynasty Sudoku — Rätselportal — Logic Masters Deutschland

Mixed variant sudoku — Rätselportal — Logic Masters Deutschland

Sudoku Variants Series (088) - Argyle — Rätselportal — Logic Masters Deutschland

Handmade in USA — Rätselportal — Logic Masters Deutschland

Sudoku Variants Series (223) - Sundoku — Rätselportal — Logic Masters Deutschland

Fillomino Sudoku — Rätselportal — Logic Masters Deutschland

Uncertain Sudoku #5 - Sum or Average Arrow Sudoku — Rätselportal — Logic Masters Deutschland

Downward Spiral — Rätselportal — Logic Masters Deutschland

Sudoku Variants Series (241) - Outside Killer Pair Sudoku — Rätselportal — Logic Masters Deutschland

Sudoku Variants Series (100) - Irregular Twin — Rätselportal — Logic Masters Deutschland