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Four Colors

Color the map using only 4 colors — no two adjacent regions can share a color!

Strategy v1.0.0 54 uses

Color the map so no two adjacent regions share a color

Maps Solved
0
Best Time
--
Time: 0:00
Moves: 0
Regions: 0/0
Select a region, then pick a color

Keys: 1-4 = colors, E = eraser, Z = undo, H = hint, N = new map

About This Game

Based on the famous Four Color Theorem! You're given a map divided into regions. Color every region using at most 4 colors so that no two adjacent regions share the same color. It's always possible — but can you figure out how?

How to Play

  1. 1 Click a region to select it
  2. 2 Click a color button to paint it
  3. 3 No two adjacent regions can share a color
  4. 4 Use only 4 colors to complete the map
  5. 5 Invalid placements are highlighted
  6. 6 Undo with Z key
  7. 7 Complete the map to advance!
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