Upon the release of the demo I got cracking,Made skins,removed barriers,made levels "Level with 3/5 parts actually" and Basically did a lot of work. Then I went back and played the original L4D,and remembered the game was so fun I never tampered with it. So I backtracked both games and saw Wether purchasing L4D2 was worth the money.
The AI and you
L4D - In the Original Left 4 Dead the AI was an important part in any campaign over Easy,As removing hunters and smokers were a one way ticket to hell. The AI was also a key factor in killing infected like the tank,and the witch. Mobs were easier with a pipebomb and molotov in hand.So you had to watch your fire,and if you gunned the Zombieshield Louis in the back,you would have to help him up,or let em die.
L4D2 - After picking the tiny tiblets away I noticed that the new infected were a bigger annoyance than dangerous,Spitter is easy to dodge,and won't bring a swarm like the boomer if shot,the Gerbils and easy to kill,and if they jump they do mediocre damage. The AI's not worth much in a fight,seeing as after a hunter pinned me,or a Smoker grabbed me,my health would widdle away as they shot 1 or 2 zombies farther away than the Special.Most of all Coach would often wander off.
L4D - 8/10
L4D2 - 7/10
The Weaponary and you
L4D - Limited to the militarys scrounge and local farm equipment,You would need to survive on the bits of what you could in the Apocolypse. Seeing as you Progressed time would send out what it could,the Military was a help,and you had to depend on yourself.Pipebombs and Molotovs were the citizens work,and lying around was a casual Helper,Like oxy tanks or gascans. Always a struggle.
L4D2 - New weapons come to the show,Easily noticed are the hand weapons,Break Skulls with a guitar,a bat,or even a Frying pan if you wanna scramble a few brains, but mostly were the new Powerups,Pills had a buddy called Adrenaline,Proving that the Military Put its foot in and helped a little,as they also had contained the Bile and made it a weapon against zombies.Overall its a new system,saying as its (Most likely) later in the Apocolypse.
L4D 9/10
L4D2 10/10
Ah yes,By digging around the game files I found a new weapon thats not fully implemented.
If you don't wanna know move on,but here
Finally I rant on Maps.
Maps and You.
The maps have become severly harder to program,But not much is new,other than the new maps,so I stay unbiased,that Both game maps,were Equally Detailed(Other than night and day effects,bravo L4D2)and Equally fun to play.Seeing as I could'nt find the last 3 parts of the demo map,I can't say this for certain,but by the demo,I say the rating of both games
L4D & L4D2 - 8/10
Welp,Thats all folks,and I hope you enjoyed my selfrant on boring ol' Steam games (Its a joke
) and I hope you enjoy,and Theres another secret,but I can't bring myself to tell you that in L4D2 *Censor*
*censor*
Thats all ^^
The AI and you
L4D - In the Original Left 4 Dead the AI was an important part in any campaign over Easy,As removing hunters and smokers were a one way ticket to hell. The AI was also a key factor in killing infected like the tank,and the witch. Mobs were easier with a pipebomb and molotov in hand.So you had to watch your fire,and if you gunned the Zombieshield Louis in the back,you would have to help him up,or let em die.
L4D2 - After picking the tiny tiblets away I noticed that the new infected were a bigger annoyance than dangerous,Spitter is easy to dodge,and won't bring a swarm like the boomer if shot,the Gerbils and easy to kill,and if they jump they do mediocre damage. The AI's not worth much in a fight,seeing as after a hunter pinned me,or a Smoker grabbed me,my health would widdle away as they shot 1 or 2 zombies farther away than the Special.Most of all Coach would often wander off.
L4D - 8/10
L4D2 - 7/10
The Weaponary and you
L4D - Limited to the militarys scrounge and local farm equipment,You would need to survive on the bits of what you could in the Apocolypse. Seeing as you Progressed time would send out what it could,the Military was a help,and you had to depend on yourself.Pipebombs and Molotovs were the citizens work,and lying around was a casual Helper,Like oxy tanks or gascans. Always a struggle.
L4D2 - New weapons come to the show,Easily noticed are the hand weapons,Break Skulls with a guitar,a bat,or even a Frying pan if you wanna scramble a few brains, but mostly were the new Powerups,Pills had a buddy called Adrenaline,Proving that the Military Put its foot in and helped a little,as they also had contained the Bile and made it a weapon against zombies.Overall its a new system,saying as its (Most likely) later in the Apocolypse.
L4D 9/10
L4D2 10/10
Ah yes,By digging around the game files I found a new weapon thats not fully implemented.
If you don't wanna know move on,but here
YAY GRENADE LAUNCHER
Finally I rant on Maps.
Maps and You.
The maps have become severly harder to program,But not much is new,other than the new maps,so I stay unbiased,that Both game maps,were Equally Detailed(Other than night and day effects,bravo L4D2)and Equally fun to play.Seeing as I could'nt find the last 3 parts of the demo map,I can't say this for certain,but by the demo,I say the rating of both games
L4D & L4D2 - 8/10
Welp,Thats all folks,and I hope you enjoyed my selfrant on boring ol' Steam games (Its a joke
That the 4 main survivors may appear in L4D2,as I found their models in the Survivor model folder,so have fun 
Thats all ^^