Pros:

Good campaign!

Cons:

There's many better campaigns!

Conclusion:

A good campaign that's worth playing!

Pros:

- The Smg looks and sound awesome.
- The Shotgun is great to.
- Working.

Cons:

- I don't like the L4D2 pistols.

Conclusion:

Awesome mod!

Pros:

- Looks better than the original pistols.

Cons:

- The sound is from l4d2.

Conclusion:

A nice change from the colts.

Pros:

- Looks awesome.
- Custom sound.
- Better looking than the gray one.

Cons:

None.

Conclusion:

My favorite replacement for the M16 in LD41.

Pros:

Reminds you of F.e.a.r.
Music from F.e.a.r.
Well designed.

Cons:

Finale is a bit too easy.
Needs more F.e.a.r. music.

Conclusion:

Don't miss this campaign if you're a F.E.A.R. fan!

Pros:

Brings new life the Crash Course campaign.
Very well designed.
More challenging.
2 Generators in the Finale.

Cons:

A bit dark.
Maybe a little too much redesigned.

Conclusion:

Another excellent Apocalypse campaign!!!

Pros:

Very well designed.
A more callenging experience.
I really like the enviroments in this campaign.

Cons:

A bit dark.
The other campaigns had nostalgia value.

Conclusion:

Almost as good as the other Apocalypse campaigns.

Pros:

Different from other campaigns.
Nice collectible notes.
The finale was not too easy.

Cons:

Overall, not that fun.
You don't want to play it again.
I tried to jump onto the crashed trucks on 
map 2 and died.
AI were stupid on the silos.

Conclusion:

A very forgettable campaign, bad when comparing it to others.
Worth to play once.

Pros:

Half-life 2 maps are awesome.
Not too easy.

Cons:

The AI has problems in some areas.

Conclusion:

The classic Ravenholm map for L4D, what more could you ask for!

Pros:

The Death Toll campaign in daytime.

Cons:

Is a daytime version really necessary?

Conclusion:

The original campaign is better. however, the last 2 levels were cool in daytime.
Could have made some other changes as well.

Pros:

Brings new life to the original Campaign!
More challenging!
Very well designed!
The best Apocalypse Campaign!

Cons:

A bit dark, but who cares!

Conclusion:

Fantastic Campaign, but please make Death Toll and Dead Air APOCALYPSE!!!!

Pros:

I love the music from Half-Life 2
Works for L4D1

Cons:

The music isn't actually from the credits in Half-Life 2

Conclusion:

A great mod, more mods with Half-life 2 music please!