Watershed
M80
· river delta carver
☔ RAIN
≋ STORM BURST
rain
palette
SATELLITE
SURVEY INK
TOPO RELIEF
↺ NEW TERRAIN
≈ FLATTEN
drops
0
· eroded
0
· sediment
0
· rain
14/s
rain falls on the highland and every drop walks downhill, carving the cell it leaves and silting the cell it stops in · drag on the map to dig by hand · watch braided channels find the sea on their own