 Complete the following phrase:  Two other Mad Max games, developed by Cory Barlog and Interplay Entertainment respectively, were in production before the announcement of this game, but neither of them were successfully released. Although Mad Max is not based on the film series, it was inspired by its universe, and franchise creator George Miller was consulted during the games pre-production. Avalanche Studios found developing a vehicular-combat video game a challenge because of their inexperience with creating that type of game. Announced at 