Keeper of the Groove

Keeper of the Groove is the first tower defense game from this popular series that has been released as a flash game. Today, you can play its html5 version on your PC or your phone. The goal of the game is to protect diamonds from the incoming enemies. They will be approaching you in waves, so you'll have time to improve your defenses. Put fighters along the track, so that they can kill anyone who dares try to make it past them. You can improve your fighters as you progress in the game and thus improve their chances of success.