Animals
Earn in-game currency (blitzcoins) in Blitztest trainers and buy rewards with pictures of animals. The biome sections include mammals, birds, reptiles, amphibians, fish, insects, and other animals.
Balance — 3 blitzcoins.
Domestic animals
20 rewards
Deserts and xeric shrublands
28 rewards
Forests of North America
33 rewards
Fresh water
36 rewards
Mangroves
27 rewards
Mediterranean forests, woodlands, and scrub
14 rewards
Mixed forests of Europe
26 rewards
Montane grasslands and shrublands
21 rewards
Polar
26 rewards
Synanthropes — human companions
16 rewards
Taiga
20 rewards
Temperate forests of Asia, Australia and Oceania
25 rewards
Temperate grasslands, savannas, and shrublands
49 rewards
Temperate ocean
33 rewards
Temperate shelves and seas
37 rewards
Tropical and subtropical grasslands, savannas, and shrublands
50 rewards
Tropical coral
28 rewards
Tropical forests of Africa
25 rewards
Tropical forests of Asia, Australia and Oceania
51 rewards
Tropical forests of Central and South America
46 rewards
Tropical ocean
39 rewards
Tundra
22 rewards