Hostile aliens and an evil overlord is trying to dominate the Earth! Help Ben protect his home planet in this action-packed video game for the Nintendo DS - Ben 10: Protector of the Earth! Ben 10: Protector of the Earth is an action-adventure beat-em-up video game that was released back in 2007 for the Nintendo DS (NDS) handheld gaming console. The game is divided into five acts - each with their own story arc, challenges, and set of enemies. Fight your way against powerful alien monsters to unlock the master control and stay in Alien-form for as long as you want and defeat the powerful and evil Vilgax.