Assault Heroes

Assault Heroes is an arcade-style, top-down shooter video game developed by Wanako Studios. The game has the player driving 4x4 vehicles, piloting speedboats, or proceeding on foot against enemy hordes. Players can play alone or co-operatively, including both online and offline 2-player co-operative modes. Source: Wikipedia, "Assault Heroes," available under the CC-BY-SA License.