Ben 10: Protector of Earth is an action-adventure video game developed by High Voltage Software and published by D3 Publisher and is based on the animated television series Ben 10. This is the second Ben 10 game following the HyperScan game, is the first official game in the franchise, and it was released for the PlayStation 2, PlayStation Portable, the Nintendo DS and the Nintendo Wii in late 2007. Thomas, Lucas (13 November 2007). "Ben 10 Protector of Earth Nintendo DS review". IGN. Archived from the original on 24 October 2018 . Retrieved 12 September 2018. Ben 10: Protector of Earth - WII - Review". GameZone. 4 May 2012. Archived from the original on 30 October 2021 . Retrieved 30 October 2021. Later, the Tennysons go to Mesa Verde and find Vilgax's drones and the Forever Knights fighting. After defeating the knights and drones, a Forever Knight tells them that Enoch has used Area 51's technology to make a battle robot to fight Ben. They go to Area 51 in Nevada and fight Enoch, but he recovers and flees inside his robot. After defeating Enoch's battle robot at the Hoover Dam, Ben finds another Omnitrix Crystal which regains access to Cannonbolt. M Thomas, Lucas (13 November 2007). "Ben 10: Protector of Earth". IGN. Archived from the original on 30 October 2021 . Retrieved 30 October 2021.

D3Publisher's Smash Hit Ben 10: Protector of Earth Sells 2.5 Million Units Worldwide". Business Wire. Berkshire Hathaway. November 26, 2008. Archived from the original on October 15, 2019 . Retrieved October 15, 2019. IGN Staff (November 26, 2008). "Ben 10: Protector of Earth sells 2.5 million copies". IGN. Archived from the original on October 15, 2019 . Retrieved October 15, 2019. Irvine, Nathan (30 October 2007). "Ben 10: Protector of Earth review". GamesRadar. Archived from the original on 30 October 2021 . Retrieved 30 October 2021. Unlike the other three versions, the Nintendo DS version is a side-scrolling, 2.5D beat 'em up, in which players can use the touchscreen to operate the Omnitrix, switching between available forms. a b Ellie Gibson (20 December 2007). "Kids' Game Roundup Review". Eurogamer. Archived from the original on 2017-12-07 . Retrieved 2009-04-13. That sums up Ben 10: Protector of Earth, really: it works well enough. There's nothing here to appeal to adults, or anyone who isn't a Ben 10 fan. But if you know one of those, this is a great present.

Bozon (November 14, 2007). "IGN: Ben 10: Protector of Earth Review". IGN. Archived from the original on February 21, 2009 . Retrieved 2009-04-13. Ben 10 sets out to do nothing more than provide some basic, two-button action, and it succeeds in doing just that.