Similar to lucasitis.
When a game director chooses to make a sequel of a previous successful game and releases a disappointment.
This is due to:
- not including/changing several features that made its predecessor so good
- balancing the game around a greedy pay2win formula
- having a lacking endgame
- not adding promised features after the game's launch.
"Hey man, how's diablo III nowadays, wanna go farm some legendaries later?"
"Nah, the game's still suffering from Jaywilsons-disease. The treatments they are administering don't seem to be working anymore and the game is slowly losing the will to live."