Color the map by ecosystem, but only after reasoning out what latitude, altitude and rainfall would actually grow there.
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How to play
The map is divided into regions, each with its own latitude, elevation and rainfall. Work out which biome those conditions produce, rainforest, desert, tundra, grassland and more, and paint each region the right type until the whole map is correct.
Read each region's latitude, altitude and rainfall
Deduce the biome those conditions create
Select a region, then paint it with the chosen biome
Color the map correctly to finish the puzzle
Controls
Desktop: click a region to select it and click again to paint; arrow keys move the selection and Enter checks your work
Phone & tablet: tap a region to select, then tap a biome to paint it
Game modes
Daily: one shared seeded map ranked globally
Practice: fresh maps each round at varying difficulty
Tips & strategy
High rainfall plus warm latitude points to forest; low rainfall to desert or grassland
Cold comes from high latitude or high altitude, both can produce tundra
Solve the obvious extremes first, then reason the borderline regions from their neighbors
What you'll learn
Biome Builder teaches how climate shapes Earth's ecosystems through hands-on deduction about temperature and rainfall.
For parents & teachers: links climate to the living world it produces.
About Biome Builder
Biome Builder is an original, free browser game that teaches how climate shapes Earth's ecosystems through hands-on deduction. No download or account needed.
A free, original browser game on PlayPendium. No download, no install.