***** Change Log http://www.herointeractive.com/changelogs/bttd2.html ***** Bubble Tanks Tower Defense 2 takes this popular series to a whole new level! With both open and closed path level types, 20 new level grids, and up to 15 modes per each of those, you're looking at some serious bubble carnage! New levels, new enemies, new towers, over 300 achievements, and tons of game-play upgrades! Just get playing already to see what I'm talking about... This game has been a huge undertaking for Hero Interactive and we're proud to finally release the game. A special thanks goes out to our fans for all of your continued support! Play hard! Controls Full tutorial and instructions can be found in-game. Can be played using only the mouse, but hotkeys are suggested for experienced players. Hotkeys can be changed via the Settings menu.