Constraints typically feed innovation; it also levels the competition playing field to some degree, and controls what kind of games gets produced, and what tool

Constraints typically feed innovation; it also levels the competition playing field to some degree, and controls what kind of games gets produced, and what tooling is used/viable. And thus changes the expected audience to the challenge -- ideally, everyone there is interested in the same goal, with varying experience; the kinds of goals that will appear depends on the constraints imposed