Competition puzzle

Chromatic Census

Chromatic Census is a 4 × 4 Wang tile Competition puzzle featuring Fill Whole Board, Color Counters, Exact Supply. Created by Wang World and added to Competition on 2026-10-11. Place and invert the supplied tiles until every Color Counter is exact and compete for the fastest validated solution.

A preview of the Chromatic Census protoset
Board
4 × 4
Prototypes
3
Complexity
3,583
Record
Awaiting its first finisher
OpenFill Whole BoardColor CountersExact Supply
Play this puzzle

How to play

Fill the non-Counter cells from the exact tile supply, and use each tile’s inversion control to swap its red and blank edges until every paint-palette Color Counter has exactly its displayed number of colored facing edges. 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.