Try some of these map games
National Geographic Adventures
Link: http://www.mywonderfulworld.org/toolsforadventure/games/index.html
Geonet Game
Link: http://www.eduplace.com/geonet/
Quiz Hub
Find the States
Link: http://quizhub.com/quiz/f-usa-map.cfm
Latitude and Longitude game
Link: http://www.kidsgeo.com/geography-games/latitude-longitude-map-game.php
World Map Game (challenging)
Tetris style
Link: http://www.kidsgeo.com/geography-games/world-map-game.php