The two former doctors founded Bioware in 1995, and developed iconic titles like Baldur's Gate, Neverwinter Nights, Mass Effect, Dragon Age, and most recently, Star Wars: The Old Republic (an MMO).

ENGADGET: BioWare co-founders Ray Muzyka and Greg Zeschuk retire, to exit the game industry

It is unclear what effect any actions might have on traffic on Tuesday on the iconic Golden Gate Bridge, which stretches between the city of San Francisco and Marin County.

CNN: STORY HIGHLIGHTS

There, from a balcony, he will greet crowds one last time before his resignation takes effect and the Swiss Guards, who by tradition protect the pope, ceremonially leave the residence's gate.

CNN: STORY HIGHLIGHTS