eChalk: periodic table tetris game
http://www.echalk.co.uk/tasters/taster4/taster.html

This game may be of interest to science teachers who need students to memorize the Periodic Table.

Web 2.0 version of Tetris Periodic Table

science chemistry periodic game periodic table tetris

Tetris-style Periodic table game.

Guide falling elements into the correct place in the periodic table.