Things That Exist – Pepsiman The Video Game
I don't remember the chain of events that led me to find this but, somehow I came across the existence of a video game called Pepsiman. In 1999 a video game based on a Japanese commercial was released for the original PlayStation. It came out only in Japan and today is a collector's item. You can get an unopened copy on eBay for about $2300.
The game is described this way:
Check out the game play - (and let me apologize for getting the song stuck in your head).
Here the commercial the game was based on.