[NSFW] Take a game title from your library with more than one word and replace one word with "penis"

Call of Duty: Black Penis
This War of Penis
Dead Penis

Dead Penis (State) and similar Dying Penis (Light) :(
Deus Ex: Penis Revolution and it's sequel, Penis Divided
Dirty Penis (Bomb)
Duke's Penis Forever
Hitman: Blood-y Penis and Penis: Absolution or Penis: Silent Assassin (all are Hitman games)
Injustice: Penises Among Us
Jagged Penis - Back in Action
Mad Penis
Penis Age: Origins
Penis Kombat
Penis of Eternity
Penis: Bad Company 2
Penislands (Borderlands): The Pre :P
Star Wars: Penis of the Old Republic (and sequel, The Sith Penis)
Team Penis 2
The Elder Penis: Oblivion
The Penis Principle

And total hack:
Counted Penises: Globally Offended

And I don't have it, but Call of Penis sounds like a good series of games, with such hits as Modern Positions, Advanced Positions, Black Cocks, or Penis at War...

Midnight Mysteries: Salem Penis Trials

(Tomb) Penis Raider

Castlevania, penis of shadows (or: lords of penis?)

The Last Penis - Collector's Edition (The Last Door)

First Penis Online
Penis Assault Online

Who's Your Penis (Who's Your Daddy)
Lumber Penis - That Special Place (Lumber Island - That Special Place)

Penis Rancher, or, alternatively, Slime Penis
Penis, Please
Nuclear Penis
Unholy Penis
The Penis Machine
Bernie Needs Penis
Tiny Penis DX
Penis Guzzlers Extreme (I'm especially sorry for that one)

Airscape the fall of penis
Alien Penis - Unlimited
Age Of Penis
Badland: Penis Of The Year Edition
Between me and the penis
Counter-Strike Penis Offensive
Penis of time
BonbeBone Rise of the Penis
Penis Life
Penis quest
Day Of Penis Source
The Penis Dynasty
Divine Penis of life
Dream Of Penis online
Escape Penis
The First Penis
Game Of Penis - A TellTale game series
The Walking penis
Penis simulator
Penis RUN
The Penis
The Last Penis
Penis and Gold
P̶̷e̶̷n̶̷i̶̷s̶̷ ̶̷i̶̷s̶̷ ̶̷S̶̷t̶̷r̶̷a̶̷n̶̷g̶̷e̶̷
The Lost Penis
Princess.Loot.Penis.Again
Penis Agent
Penis and Alice
Road to Penis
Save Penis
The Penis Remasted
Skara The Penis remains

Damn it was fun avoiding to study looking through my library :D
I hope no one will ever find this ><

Hunting Unlimited Penis
In Celebration of Penis
Kane and Lynch 2: Dog Penis
Penis Fun Yeah
King Arthur's Penis
Hotline Miami 2: Wrong Penis
Tom Clancy's Rainbow Penis: Vegas 2
This Penis of Mine
The Penis of Isaac/The Binding of Penis
A Boy and His Penis
Penis in a Dangerous Spacetime
Penis, Please
Penis Hard
Risk of Penis
Signs of Penis
24 Hours til Penis
Alan Wake's American Penis
Penis Dungeon II
Brothers - A Tale of Two Penises
Deus Ex: Human Penis - Director's Cut
Goats on a Penis
Half-Minute Hero: The Penis Coming
Octodad: Dadliest Penis
Dragon's Dogma: Penis Arisen
I Have No Penis and I Must Scream
Remnants of a Beautiful Penis
Neverending Penis
Our Penis Will Grow
Golf With Your Penis
Sam & Max Episode 301: The Penis Zone
Monster Loves Penis!
Wild Island Penis
Nosferatu: The Penis of Malachi
Penis Rising 2: Off The Record
White Penis Online
On My Penis
SanctuaryRPG: Black Penis