step 1: make a new account
step 2: Buy Garry`s Mod
step 3: enjoy your 2nd Garry`s Mod
step 4: im not sure what to put for step 4

Alice: Madness Returns
All of the Batman series
Enslaved Odyssey To the west
Mirrors edge
Gone Home
Shelter
Super Amazing Wagon Adventure
The Walking Dead
Shatter
Pool Nation
Minecraft
Starbound
Terraria
Super Street Fighter 4
Blade Symphony
Devil May Cry 3 and 4
Alan Wake
Amnesia
Contagion
Dead Space Series
F.E.A.R Series
Outlast
One Finger Death Punch
Assassins Creed Series
Bully
Dead Island Series
Far Cry Series
GTA Series
Just Cause 2
Mafia 2
Saints Row Series
Sleeping Dogs
Dustforce
SpeedRunners
Super Meat Boy
The Binding Of Isaac
Mark Of the Ninja
Antichamber
inFlux
FEZ
LIMBO
VVVVVVV
Trine Series
Borderlands Series
Darksiders Series
Deus Ex Series
The Elder Scrolls Series
Fallout Series
Mass Effect Series
Mount And Blade Series
the Witcher Series
Path Of Exile
Legend Of Grimrock
Faster Than Light
Hotline Miami
Risk Of Rain
Spelunky
Garrys Mod
Serious Sam Series
Battlefield Series
Bioshock Series
Call Of Duty 4 and 5
Call Of Juarez Series
COUNTER STRIKE GO!!!!!!!!!!!!!!!!!!
Killing Floor
Left 4 Dead Series
Payday Series
Red Orchestra 2
Max Payne Series
Red Faction Series
Tomb Raider Series
Sanctum Series
ArmA 3
Euro Truck Simulator 2
Prison Architect
Space Engineers
Surgeon Simulator 2013
Football Manager 2014
Hitman Series
Splinter Cell Series
Monaco
Dishonored
FROZEN SYNAPSE!!!!!!!!
Civilization Series
X-COM Series
Hearthstone
DayZ
Rust
State Of Decay
Metro Series
GRiD
DiRT Series
Need For Speed Series
RACE THE SUN!!!!!
Dark Souls



:-)