Some deadly crystals, probably some form of aliens are threatening to take over the planet earth and now the only hope for the earth is the plants. This unique defense-style battle game will need the player to place the plants in tactical positions to attack the crystals and earn cash that can be used for availing more units and upgrades. As the levels increase, more elements get introduced into the game play making it slightly more challenging but more interesting nevertheless. The game offers tips that come handy while playing the game. Use the mouse to control the game play.