D3Publisher's Ben 10: Protector of Earth has sold over 2.5 million units globally, the company has revealed.
The game was released on the Wii, PSP, PS2 and DS a year ago, and is based on the popular Cartoon Network IP.
"We are thrilled to see the strong consumer response to Ben 10: Protector of Earth and the continual climb in sales demonstrates the dedication of fans around the globe to this tremendous franchise," said Yoji Takenaka, president of North America and Europe, at D3P.
The publisher has just released a sequel, Ben 10 Alien Force, developed by Vicious Cycle.
"Having our first-ever Ben 10 interactive game be as successful as it has is a huge accomplishment for us and this is another milestone of which we're very proud," commented Christina Miller, vice president of Cartoon Network Enterprises.
"We look forward to continued success as we build the brand"s interactive franchise with a great partner in D3."