"Geologic Time Scale" is a free online knowledge level game, to place the animals in the correct geologic period from the Earth's geologic history.
A small puzzle game for desktop computers, laptops and tablets, which may be played in the web browser. The Archaeology Knowledge Board include pictures of 12 extinct animals, to play with.
Cumulative with the
"Geochronological Units Puzzle" and
Geologic Periods Puzzle".