Falling Tile Puzzles

Ace Same
Fast, fun Tetris type of puzzle game. Works with all browsers.
http://acegames.com/same/

Cabeem
Form large clusters of color and then zap them off the board. The larger the clusters, the more you score.
http://www.aurete.com/cabeem/

Freefall
Java Puzzle in which logic is used to remove all the colored blocks from the board using a limited number of moves. Offered at several levels of play.
http://www.math.polytechnique.fr/cmat/auroux/java/freefall.html

Fruits
Puzzle game played by clicking blocks to form groups of three or more matching fruits. Achieve the required amount of points to move to the next level.
http://www.alwaysneat.com/site/fruits/fruits.html

QBeez
Score points by clearing the board of adjacent groups of two or more matching colors. The bigger the group, the higher the score. Requires Shockwave.
http://games.skunkstudios.com/games/qbz