Extreme precision annoys me.

Though there are some fun difficult levels in SMG2, a lot of them are artificial difficulty, and therefore annoying.

For example, most of the comet levels (and some non-comet levels) contain extremely strict time limits, where 10 seconds of mistakes can make you fail the level.

And with SMG2's physics, one mistake can make you lose 5+ seconds.

Really... Would making all of the SMW levels have timers from 50-150 (depending on level length) make it harder? Certainly. More fun? Almost definitely not.

If those strict SMG2 time limits were multiplied by 1.5, that would have been much better.

Also, most of the levels with fair difficulty are also too short and/or have checkpoints all over the place. There's a lot more that could have been added to many levels.

Message: If you're trying to make levels difficult, make them longer and add more variety. Don't add strict time limits or extreme precision movement. Everyone is going to make mistakes sometimes; it's a lot more fun if you can recover from at least some types of mistakes.

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Anyway, I now have a total of 102 stars.

I've unlocked (but not played) "Bowser's Galaxy Generator", which appears to be the final level. (It took 70 stars to unlock.)

However, considering that I've heard there are 242 stars overall, and I've collected nearly every star available in Worlds 1-6, I'm pretty sure there are quite a lot of worlds/galaxies left. (I wonder what happens after World 6...)