Challenge yourself to some barnyard fun in Stack'em and other free online puzzle games at Pogo.com. Stack'em is a topsy-turvy and totally zany free online puzzle game. It's up to you to help Farmer Fred keep the cloning population under control. Make groups of five or more of the same animal to clear the board before they escape back into the farm.

Key Features:

• Under Pressure: This online puzzle game takes strategy so keep your eye on the pressure gauge. It increases after each move.
• Power-ups: Use the "bomb" and the "freeze" to advance to the next level.
• Special Pieces: Match the special pieces in the final level to reverse the cloning machine and win the game.
• Get Connected: Creating a FREE online account links you to a vibrant community where you can play free puzzle games, chat with other players, and enjoy all of the fun games and features of Pogo.com.

When it comes to free puzzle games stick with Stack'em!

Play Stack'em and other free puzzle games. Pogo.com offers over 80 free online games for hours and hours of exhilarating gameplay!