Coastal construction · cubic maps
Waterworld colonization
Region after region, the coast advances, and no region with fewer than five neighbors is ever buried.

Ship's log

Faces (land)3
Ocean1
Coast C2
Pentagons F50
Wells n>60
Moves0
Σ(6−n)Fn − C = 6 ✓
Coastline
Inland borders
The island now fills the globe — press Restart to grow a new one.
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Pace