Thursday, 20 November 2025

Freddie Hand

At the 2025 World Puzzle Championship, the final round, "Full Loops", was a set of 15 puzzles, all full loops, with all possible combinations of masyu/midloop/symmetry regions/equal segments regions. It will be a while before all of these appear on GAPP because I doubt that many of you would like 15 full loops in a row.

Starting with our first two-ruler, here's a Full Masyu + Midloop.

Rules: Draw a non-intersecting loop through the centres of all cells.

Masyu: The loop must turn on a large black circle but must not turn in the cells before and after it. The loop must not turn on a white circle but must turn in at least one of the cells before and after it. (There are no white circles in these particular puzzles)

Midloop: The loop must pass through every small circle, and each small circle marks the centre of the straight line segment it lies on.

Note: Unfortunately linex is a little fiddly on mobile, I'd recommend switching to line mode.

Acquire a Speedy Sloth 🦥 by solving the puzzle in 2:15 or less!
Obtain a Quick Crab 🦀 by solving the puzzle in 4:30 or less!
And all solvers who complete the puzzle will be rewarded with an Combination Comb-crested Jacana 🐦

Example (Penpa+): https://tinyurl.com/r6fyys8a
Puzzle (Penpa+): https://tinyurl.com/mr2ru2hw