Tom Clancy’s Rainbow Six: Vegas is the sixth game in the Rainbow Six series of video games. Rainbow Six Vegas changes the series with multiple new features, such as a new health system where the player regenerates health while not taking fire (it should be noted that the player may sometimes be killed instantly, without a chance to regenerate health; this usually happens from grenades, as well as taking close-range fire from very powerful weapons, particularly to the head). The player’s vision is greatly impaired while damaged, similar to the health system in Gears of War. Furthermore, a third-person view has been included for moments where players can blind-fire around corners to lay down suppression or covering fire. Other changes include a larger enemy presence and much tougher artificial intelligence, a shift in focus to where kills will be much harder to obtain, a reincarnated aiming system similar to the aiming system of the old Rainbow Six games and a context-sensitive D-pad based command system for the player’s squad and sections of gameplay where the player will scale buildings and cause environmental damage. The player can also give voice commands using the Xbox 360 and PlayStation 3 headset, but teammates are no longer audible through the headset.
Source: Wikipedia
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