Competition puzzle

Good one

Good one is a 5 × 5 Wang tile Competition puzzle featuring Edge Matching, Walls, Pipes. Created by Wang World and added to Competition on 2026-09-16. Match every touching colored edge and compete for the fastest validated solution.

A preview of the Good one protoset
Board
5 × 5
Prototypes
18
Complexity
6.43
Record
Awaiting its first finisher
OpenEdge MatchingWallsPipes
Play this puzzle

How to play

Place tiles on the board so the colors on every shared edge agree. This official Competition puzzle starts a protected, server-timed attempt when you press Play.

Read the complete puzzle rules or learn how Competition timing and leaderboards work in the Competition guide.