16 stars is the most common answer for what category to start out for speed runners because it's short and way more doable than 1 and 0 stars. If you're completely new to the game, 70 star lets you explore way more parts of the game and you don't have to perform any glitches to complete it. I'm biased and will say go for 120 stars. Explore every bit of the game, every mechanic. If you start off in the short category, it's going to be even harder to get into the long category.