Puzzle types
The rules of every puzzle on the site, each with pictures of what works and what doesn’t, and a worked example.
Lines
- Masyualso PearlDraw one loop through cell centres that goes straight through white pearls and turns on black ones.
- Number Line MazeDraw the walls each number asks for, then find your way from the arrow in to the arrow out.
- Numberlinkalso Connectlink, Flow, ArukoneJoin each pair of matching numbers with a line; lines never cross.
- Simple Loopalso Round the BendDraw one loop that winds through every white cell.
- Simple Pathalso Hamiltonian PathDraw one path from the arrow in to the arrow out that visits every white cell.
- Slitherlinkalso Fences, Loop the LoopDraw one loop along the dotted lines; each number counts the sides of its cell the loop uses.