Pros:

-Love the custom models and textures.
-Brings back memories of Super Mario on the N64.
-Quite a fun map.
-Love how Peach is hanging as you enter the castle.
-Love the portrait into a different world.
-Sets the atmosphere of Mario's world quite well.

Cons:

A tad short.

Conclusion:

A very fun and memorable replica of the first world of Super Mario 64 campaign so far, it is a tad short but that's not really an issue as all the custom textures and models make up for an awesome campaign.