The "secret roundabout" way for the second badge is to complete the first five levels with five stars and play the secret level (rather than the boss). You'll get the second badge that way, too. Please vote me up, so people know about the second badge alternative!
Game Designer A: Hey Game Designer B, lets make a percision platformer game! Game Designer B: Great idea Game Designer A! And while we're at it, let's add moon physics! Game Designer A: I hate you Game Designer B... Game Designer B: *giggles to himself quietly while in the fetal position.