Counterstrike was one of the best sellers of the gaming series. The shooting game took the game world by storm when first introduced in 2000 by Nexon. Counter-Strike series came up with the Global Offensive series in 2011. Valve Corporation and Hidden Path Entertainment developed the game for PC, PS3, XBOX and other operating systems. Grab the counterstrike: global offensive themed wallpapers if you are looking to compete with friends on different servers online. This game is sure to keep you hooked with competitive gameplay.