All variants
Variant
Double arrow
Same rules. Different mysteries.
Normal sudoku rules apply: each row, column and box holds 1 to 9 once. Double arrow clues add their own constraint. Each case's brief has the exact wording.
8 open cases
- CASE 061 Betwixt by FullDeck and Missing a Few Cards Heartburn Double arrow Renban
- CASE 197 Counterweights by FullDeck and Missing a Few Cards Heartburn Double arrow
- CASE 356 Bonded Pairs by FullDeck and Missing a Few Cards Heartburn Double arrow Kropki
- CASE 670 Gremlin (Dry) by FullDeck and Missing a Few Cards Heartburn Arrow Double arrow Kropki
- CASE 713 Hashtag Double Arrows by FullDeck and Missing a Few Cards Heartburn Double arrow Killer
- CASE 976 4 Corners by FullDeck and Missing a Few Cards Heartburn Double arrow Killer
- CASE 983 Untitled puzzle by Unknown setter Heartburn Double arrow Modular
- CASE 984 Double Dot Fun by FullDeck and Missing a Few Cards Heartburn Double arrow Kropki
- CASE 061 Betwixt by FullDeck and Missing a Few Cards Heartburn Double arrow Renban
- CASE 197 Counterweights by FullDeck and Missing a Few Cards Heartburn Double arrow
- CASE 356 Bonded Pairs by FullDeck and Missing a Few Cards Heartburn Double arrow Kropki
- CASE 670 Gremlin (Dry) by FullDeck and Missing a Few Cards Heartburn Arrow Double arrow
- CASE 713 Hashtag Double Arrows by FullDeck and Missing a Few Cards Heartburn Double arrow Killer
- CASE 976 4 Corners by FullDeck and Missing a Few Cards Heartburn Double arrow Killer
- CASE 983 Untitled puzzle by Unknown setter Heartburn Double arrow Modular
- CASE 984 Double Dot Fun by FullDeck and Missing a Few Cards Heartburn Double arrow Kropki
