Info/Other: Abbreviations

Genres
FPS
First-Person Shooter

RPG
Role-Playing Game

RTS
Real-Time Strategy

MMORPG
Massively Multiplayer Online Role-Playing Game

MMOG
Massively Multiplayer Online Game

Game Systems
NES
Nintendo Entertainment System

SNES
Super Nintendo Entertainment System

GB
Game Boy

GBP
Game Boy Pocket

GBC
Game Boy Color

GBA
Game Boy Advance

GBA SP
Game Boy Advance SP

GBM
Game Boy Micro

DS
Nintendo Dual-Screen

N64
Nintendo 64

GCN
Nintendo GameCube

PS
Sony PlayStation Computer Entertainment System

PS2
Sony PlayStation 2 Computer Entertainment System

PS3
Sony PlayStation 3 Computer Entertainment System

PSP
Sony PlayStation Portable

X360/360
Microsoft Xbox 360

Companies
SCE
Sony Computer Entertainment
---A: America
---E: Europe

SE
Square Enix [Can also be referred to as "Squenix" or "Square"]

Regions
NA
North America

J
Japan

E
Europe

Other
PSN
PlayStation Network

UMD
Universal Media Disc

XBLA
X Box Live Arcade