I submitted a small game yesterday:

A Game in one week

It was made for a very tiny contest whose goal was literally that - to make a game in a week. The contest just didn't have a theme so I took the timespan itself as the theme. I only had a couple of evenings to make it, so I didn't really have the time to implement the game customizabilities I first planned to put into it. Now it just describes the different stages of game development. It also offers quite a challenge in some of the levels - a challenge that's obviously too much for many. I suppose in general adding difficulty levels to a game isn't a bad idea really.

For people playing the game, this is not a simulation, but more like a story of developing a platformer, so try not to take the first level too seriously. And also please don't judge the game as crappy just because it's difficult.