Change one letter in a game's title and you get....

[Elementlmage]

Mario Kart becomes: Mario Fart

Red Orchestra becomes: Fed Orchestra i.e., Russians that aren't starving to death. Zomg! I didn't know such a thing existed?

 

[theguitarhero6]

Zero Func-tuation.
haha, just imagined Yahtzee with platforms on, shuffling under a disco ball...

 

[Nouw]

I actually came up with Heavy Ryan instead of Heavy Rain but that changes two letters. Damn it.
Well, umm, let me think.
Rainbow Sux? No, that's horrible.

Rainbow Sex. Yes.

Battlefield:Sad Company
4 Depressed men search the world for Happy Pills. The gratitude of a Country isn't enough to make them happy

 

[Manji187]

How

For example:

Spoiler: Need for Speed: Hot Pursuit becomes...

Now you

How about Need for Speed: Pot Pursuit? It could be about some guys looking all over the world for cannabis?

Greatest one I've seen so far! Good job

EDIT: Call of Cutie (phonetics wise...)

 

[jpwdragon]

Mass Effect becomes Mass Erect

YDI, firstly, that's not just one letter and secondly you stole it from ZP

 

[Swarley]

Beam Fortress 2, protect desert industrial environments from the other colour. With lasers.

Left 4 Dead becomes Left for Dean.

Because no-one likes Dean.

Wouldn't they be leaving for Dean though?

I thought the same thing.

 

[ClaptonKnophlerHendrix]

Lara Croft: Womb Raider

Gaming's most famous archaeologist works nights as an abortionist.

This thread has a winner.

 

[ChocoFace]

Rod of War
yeah it can't be anything other than porn to make sense.

 

[SimuLord]

Super Mario Bras - Mario and Luigi get into Peach's underwear drawer and get a little frisky.

Maria Kart - Characters from the Final Fantasy VI opera scene go kart racing.

SimCite - MLA Format like you've never seen it before!

GTA: Lice City - An unfortunate epidemic has broken out at a school and you're sent to treat it...with bullets.

Grant Theft Auto - Mr. Imahara loses job on MythBusters, turns to life of crime.

Empire: Tonal War - Classical Period composers use the Power of Music to change the fates of nations.

The Sams - Samuel and Samantha start a family.

Wii Spurts - For women and non-traditional men, a teaching tool for giving better handjobs.

Star Warm - Why yes. Yes it is. Try not to get burned.

Petal Gear Solid - Snake and Otacon open a flower shop.

NASCAR: Chase for the Pup - PeTA flips out at game about running down innocent dogs with fast cars.

Tiger Foods PGA Tour - Golf great trades his clubs for steam trays in this game about catering Tour events.

Neverwinner Nights - You thought Nethack was hard...

 

[AidoruKami]

Metal gear solid: puns of the patriots

I thought I was so original until I saw this.

Um... one letter... man, you mean I can't have Metal Gear Solid 3: Cake Eater? Um... ok... Fed Dead Redemption? How can you be fed dead redemption? Err... I guess that makes sense in some deep philosophical way that... nobody cares about... Wait! I've got one!

Mike Tyson's Lunch Out!!

 

[hyperhammy]

Wii = why
Oh wait

 

[HardkorSB]

Anal Fantasy?
I don't know...

 

[Xylis]

Fagout-An epic tale of one man's stuggle to end his cigarette addiction.

 

[BloodyThoughts]

The Orange Bot: All 5 games you run around as a little orange bot, in 5 adventures!

Fall of Duty: Fall everywhere!

Spyro: Sear of the Dragon.

Metroid Crime.

 

[KiruTheMant]

Beam Fortress 2,the worlds largest class battle in fortresses made of LASER BEAMS

 

[Layzor]

Zeno Clash becomes Zeno Crash, which is totally different.

 

[KiruTheMant]

Fable becomes TABLE,THE WORLDS LARGEST ALIGNED TABLE GAME,WILL YOU BE OAK OR REDWOOD?!

 

[Emilin_Rose]

I actually came up with Heavy Ryan instead of Heavy Rain but that changes two letters. Damn it.
Well, umm, let me think.
Rainbow Sux? No, that's horrible.

Rainbow Sex. there, i said it.

 

[Marv21]

Lass effect wherein you play a scottish genetist who is on a perilious journey through the child whereas men have died out natrually and women have dominated the earth. Our hero, Beef Mcman cakes must make it out of the tri-city area alive, because if they catch him.....DEATH BY SNU-SNU!