Frontline Defense is an engaging tower defense game. Check it out here on CrazyGames directly in your browser, free of charge. Frontline Defense has been played by 23,005 people and has been rated 8.6 out of 10 with 138 votes. This terrific action game is powered by Flash to work without trouble in most browsers. Did you like playing this action game? Then check out our other tower defense games or Vera Towers 2 and Cursed Treasure.