Build six of world’s biomes by choosing the right plants, animal, temperature range and precipitation for each. Win a postcard for each biome you build. Become a Biome Master by building all six biomes: Arctic tundra, taiga, deciduous forest, grass savanna, tropical rainforest, and arid desert.
Source
http://switchzoo.com/games/buildabiome.htm (via Wayback Machine)
Build a Biome screenshots
i hate it
i dont like it