I need a web based video game customized

Hey, I’m handling marketing for a concert promoter and wanted to get some details on creating a web based game around a nationally touring band’s popular song. The idea is to create a game where when the fan finishes the game, then the secret location for their holiday event is revealed.

Open to the type of game, but are thinking a copy of one of the old school space arcade games like galaga, space invaders, or asteroid