PixelJunk Monsters is a tower defense video game developed by Q-Games for the PlayStation 3.

The second game in the PixelJunk series, it was originally released in Japan on December 6, 2007 and worldwide by Sony Computer Entertainment on the PlayStation Store on January 24, 2008.

PixelJunk Monsters Encore, an expansion pack for the game, was released on April 24, 2008 in Japan;[citation needed] May 8, 2008 in North America; and May 15, 2008 in Europe.

[2] In 2013, an enhanced version developed by Double Eleven titled PixelJunk Monsters Ultimate HD was released in 2013 for the PlayStation Vita, Windows, Mac OS X and Linux.

Destroyed enemies usually drop coins and occasionally give gems, which then can be used to upgrade and research new towers.

On May 22, 2008, a soundtrack album for the game titled Dive into PixelJunk Monsters was released via the PlayStation Store.