Competition puzzle

Twin Rampart Signals

Twin Rampart Signals is a 4 × 4 Wang tile Competition puzzle featuring Edge Matching, Fill Whole Board, Walls, Linked Rotations, Matching Linked Positions, Finite tiles. Created by Wang World and added to Competition on 2026-09-05. Match every touching colored edge and compete for the fastest validated solution.

A preview of the Twin Rampart Signals protoset
Board
4 × 4
Prototypes
11
Complexity
30.9
Record
05:31 by Bazooka
OpenEdge MatchingFill Whole BoardWallsLinked RotationsMatching Linked PositionsFinite tiles
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.