Pros:

the ride in the 1st map is AWESOME!!!
pretty long and challenging
tank & witch room
the final is EPIC!!!
traps
the gun turrets in the final is AWESOME!!!

Cons:

the bots wouldn't take med kits

Conclusion:

awesome and tricky campaign, with just some minor bot problem. 

Pros:

nice enviroment
good storyline
portal easter egg
custom melee

Cons:

nothing

Conclusion:

nice campaign, if only there's more custom melee

Pros:

Colourfull Texture

Cons:

Bad Final
Bad Enviroment

Conclusion:

Everything is good except for the ending and the enviroment.