Gamequarium http://gamequarium.com/geometry.html
Basketball Geometry http://www.infoplease.com/math/knowledgebox/baseball-geometry.html
Math Playground http://www.mathplayground.com/games.html
Chinese Tangrams http://www.apples4theteacher.com/chinese-tangrams.html
Funbrain Shape Surveyor http://www.funbrain.com/poly/index.html
Geometric Vocabulary Word Search http://www.quia.com/ws/65535.html
Virtual Geometry Manipulativs http://nlvm.usu.edu/en/nav/category_g_3_t_3.html
Matho-match the shape and word http://www.aplusmath.com/cgi-bin/games/geomatho
Challenge Puzzle: building a house http://www.mathsnet.net/geometry/solid/houses.html
Enchanted Mind creative games http://enchantedmind.com/html/puzzles/interactive_puzzles/creative_java_puzzles.html
3-D cube Logic Puzzle http://www.thatvideogamesite.com/play.php?id=392
Another Tangram game-a bit more difficult http://enchantedmind.com/puzzles/tangram/tangram.html
Coordinate graphing game http://funbasedlearning.com/algebra/graphing/points3/default.htm
Geometry of the Ancients - challenge application problems http://www.learningwave.com/engage/geometry/geometry.html
Planet Hop- graphing http://www.bbc.co.uk/education/mathsfile/shockwave/games/planethop.html
BBC bathroom tiles- syemmetry and rotation http://www.bbc.co.uk/education/mathsfile/shockwave/games/bathroom.html
Measuring angles with a virtual protractor http://www.kidport.com/Grade5/Math/MeasureGeo/MeasuringAngles.htm
Squirt the dog - angles http://www.bbc.co.uk/schools/ks2bitesize/maths/activities/angles.shtml
Mighty nets (match the net to the shape) http://www.harcourtschool.com/activity/mmath/mmath_dr_gee.html
Locate the Aleins http://www.mathplayground.com/locate_aliens.html
Pythagorean theorem game http://www.kidsnumbers.com/pythagorean-theorem-game.php
Pythagorean theorem game http://www.crctlessons.com/Pythagorean-theorem-game.html