Competition puzzle
Arrowhead Atrium
Arrowhead Atrium is a 3 × 3 Wang tile Competition puzzle featuring Edge Matching, Fill Whole Board, Rotate, Directional. Created by Wang World and added to Competition on 2026-09-06. Match same-color triangle heads and tails and compete for the fastest validated solution.
- Board
- 3 × 3
- Prototypes
- 4
- Complexity
- 78.44
- Record
- Awaiting its first finisher
OpenEdge MatchingFill Whole BoardRotateDirectional
How to play
Place tiles so every shared edge joins a same-color triangle head and tail. 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.