EDIT: It was the game developer named Fez who made the statement [1].
[1]: 39:00 mark of Indie Game: the Movie .
> Fish, meanwhile, is heartbreakingly invested in a game he can't finish for his own perfectionism. "It's me, my ego. My identity is at risk. It's my perception of myself," he says of Fez. In the film's most startling moment, he's asked what he will do if he doesn't finish the game. "I will kill myself," he replies, meaning it. "That's my incentive to finish it." The flash of black humour relieves the tension, but it's an alarming vision of a man in desperate times.
http://www.eurogamer.net/articles/2012-03-06-indie-game-the-...