"The fundamental design of the game became 'Here's a stop sign in your gameplay, you can stop now and come back in a day, or you can keep on playing and it will cost you three bucks, or a buck, or ten bucks, or whatever it is," he said. "Not just because it seems unsavoury and I think people will burn out on it, but once you go down that road and start designing the game mechanics around that you can't help but design the whole game around that," he added. "I mean, I could be wrong about that, and I hope I am, because that would be a lame future for games." Stewart Butterfield, CEO, Tiny Speck Glitch dev warns against social "scorched earth policy"