iKnowthat.com has online multimedia educational games for kids in grades PreK through 6 (ages 2-12).

Clue Maps Geography Game

Kids complete animated map puzzles using clues to help choose the pieces.  The game includes 23 maps covering  landforms, continents and oceans, the United States, regions of the United States,  North America, South America, Europe, Asia, Africa, and Australia and Oceania.

These interactive geography puzzles include facts and interesting information about history, government, culture, natural landmarks, and manmade landmarks.

Clue Maps is aligned with geography standards for 3rd grade, 4th grade, 5th grade, and 6th grade.