Rules
Standard Cave rules
Category: Hard
Honeycomb
Shikaku (Overlap)
Suraromu
Honeycomb
Jigsaw Killer Sudoku
It’s Saturday, time for another Killer Sudoku!
Rules
Killer Sudoku rules apply. Instead of 3×3 blocks, the nonets (bold-outlined groups of 9) are differently shaped. These bold-outlined groups must contain the digits 1-9 without repeating.
Migration
This puzzle had multiple solutions and has been removed.
Extra Groups Killer Sudoku
This puzzle from the archive was designed in June 2006.
Rules
1. Standard Killer Sudoku Rules apply.
2. The numbers along the diagonals must be 1-9 exclusive.
3. Colored regions refer to Extra Groups, which must also be 1-9 exclusive.
Suraromu
Honeycomb
Here is the first honeycomb puzzle I designed as a proof of concept, before aesthetics were considered.
Rules
Standard Honeycomb rules.
Paramesis Puzzle Blog 