VEGAS NEEDS A SAVIOUR. Rainbow operatives take to the chaotic streets of Las Vegas as an escalating terrorist siege in "Sin City" threatens to take world terrorism to new, uncontrollable heights. Experience Las Vegas like never before through revolutionary next-generation technology as you work against the clock to keep one of the world's most recognisable cities from utter devastation.
Features:

Las Vegas, Nevada. It used to be America’s playground. Now it’s a battleground.
Master assault and recon techniques including fast-roping, rappelling, window entry, blind-cover fire, and more…
Manoeuvre through multiple-path Vegas environments utilising high-tech equipment like the snake cam to plan your assault.
Play with 15 gamers online (in modes including Team Sharpshooter, Survival and more) – and 3 gamers in co-op
System Requirements

PC Operating System: Windows XP / Vista / Windows 7
PC CPU Type and Speed: Pentium IV 3GHz or AMD equivalent
Hard Drive Space (MB): 7GB
Memory: 1GB
Graphics: NVIDIA GeForce 6600GT or ATI Radeon X1600 or higher*
Audio: Any sound card
Multiplayer: Yes, over an internet connection
Internet: Required for online play
Extra Info: * Laptop versions of these chipsets may work but are not supported. Integrated chipsets are not supported.