Chex Quest 2: Flemoids Take Chextropolis

In this sequel's plot, the Chex Warrior returns to his home planet and lands in Chex City only to discover that the Flemoid threat has reached his homeworld. There, the player battles through a terrestrial spaceport, a cinema (showing three videos each endlessly looping), a museum, and the eponymous city (Chextropolis), until reaching the sewers to confront an end boss named "The Maximus". (wiki)