Or the TRGAT if you prefer.
Plain and simple the constant use of abbrvs. whn naming games can get a little confusing so I think this thread can be used as a reference. I'll start and update with games you suggest. Just make sure the game is actually relevant and used in forums regularly.
Games
GeoW- Gears of War
NMH- No More Heroes
MGS4- Metal Gear Solid 4
GOW- God Of War
TWEWY- The World Ends With You
GT5P- Gran Turismo 5 Prologue
SMG- Super Mario Galaxy
TOV- Tales Of Vesperia
MP3- Metroid Prime 3
DMC 4- Devil May Cry 4
GTAIV- Grand Theft Auto 4
SCIV- Soul Calibur 4
PES- Pro Evolution Soccer
RE5- Resident Evil 5
LBP- Little Big Planet
AoE- Age of Empires
LoZ- Legend of Zelda
KOTOR- Knights of The Old Republic
BG- Baldur's Gate
FO- Fallout
BF- Battlefield
WC- Warcraft
WoW- World of Warcraft
Civ- Civilization
CS- Counter Strike
WAR- Warhammer Online: Age of Reckoning
FF- Final Fantasy
FFXIII- Final Fantasy 13
FFVXIII- Final Fantasy versus 13
SSBB- Super Smash Brothers Brawl
ME- Mass Effect
HS- Heavenly Sword/ Hot Shots
SMT- Shin Megami Tensei
SO- Star Ocean
IU- Infinite Undiscovery
WKC- White Knight Chronicle
Gaming Terms
DLC- Downloadable Content
FPS- First Person Shooter
RPG- Role playing game
JRPG- Japanese Role Playing Game
WRPG- Western Role Playing Game
ARPG- Action Role Playing Game
SRPG- Strategy Role Playing Game
MMOG- Massively Multiplayer Online Game
MMORPG- Massively Multiplayer Online Role Playing Game
XMB- Xross Media Bar
XBL- Xbox Live
PSN- Playstation Network
PS3- Playstation 3
360- Xbox 360
PC- Personal Computer
Wii- Wii
DSL- DS Lite
PSP- Playstation Portable
M$(MS)- Microsoft
Ninty- Nintendo
VC- Virtual Console
WW- Wii Ware
BD- Bluray Disc
TPS- Third Person Shooter
FW- Firmware
SE- Square Enix