<P> Over time, the community developed strategies for competitive play . When trying to capture a site, a common strategy used is called "rushing". Rushing is when a player or group of players move into a choke - point on the map as fast as possible . This strategy is used commonly when one of the teams is running an "eco". An eco occurs when a team has a lack of money to buy weapons, utility, or armor, forcing the team to be left with minimal rifles and little utility . "Eco" rounds are those in which a team will buy very few or no guns in order to save money for future rounds . Occasionally, when a team is low on money, the opposition will purchase "anti-eco" weapons which perform well at close range to prevent casualties and financial bonuses . Rushing is also used if there is a lack of time on the clock and the bomb needs to be planted or defused in an act of desperation . Another common strategy for taking a site is using predetermined smoke grenades and flash bangs to hinder enemies' sight . </P> <P> Global Offensive saw the introduction of new weapons and equipment not seen in previous installments, most notably the firebomb for each side (referred to as a Molotov on the Terrorist side and as an Incendiary Grenade on the Counter-Terrorist side). These temporarily cover a small area in fire, dealing damage to anyone passing through . Global Offensive also saw the introduction of a range of new guns, including shotguns, pistols and sub-machine guns, along with a taser . Two new game modes, Arms Race and Demolition, both based on mods for previous iterations in the series, were added alongside a total of eight new maps for said game modes . Global Offensive saw the removal of features seen in previous iterations of the series . The ability to freely explore the map when dead was removed from many modes, though server hosts are able to change this setting . The unsilenced USP and the MP5 were replaced by other guns . The tactical shield was also removed . The concept of sprays were not present in the game until the addition of consumable items called graffiti . </P> <Table> External video <Tr> <Td_colspan="2"> Counter-Strike: A Brief History, a YouTube video published by Valve Corporation on January 23, 2017 </Td> </Tr> </Table> <Tr> <Td_colspan="2"> Counter-Strike: A Brief History, a YouTube video published by Valve Corporation on January 23, 2017 </Td> </Tr>

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