Guide
Draw around real population
Headcount turns population density into a five-round daily drawing puzzle: one submitted loop per target, up to 100 points each. After all five, practice deals fresh targets and reveals the population and score when you submit. Read the official Headcount rules.
Learn density patterns
The map teaches where people cluster: river valleys, coastal belts, island cities, megaregions, and the empty spaces between them.
Pair it with city scale
Geo Blackjack trains the city-level version of the same skill by making each population estimate part of a risk decision.