Pros:

really fun
brings back awesome memories of this game
well its just epic

Cons:

i dont now there were a couple of bugs on the 2nd run the knight one 
1st wrong textures sky for me
2nd when i when in the saferoom after the bridge i was stuck in a wall 
3rd when i wasnt in the wall(pressed take a break button and it relealeased me) after climbing the ladders on the broken bridge part the door wont open

Conclusion:

rrally fun campain but the bugs were really annoying :(