I could have sworn I put this news up earlier, but apparently not. For this weekend (May 17-19), players can enjoy Counter-Strike: Global Offensive
for the low price of $0. If you decide you really like the game, pick it up for 50% off of the regular price
and keep playing after the free weekend is over.
CS:GO features visuals that are better than Counter-Strike: Source with a near perfect blend of gameplay from CS: Source and Counter-Strike 1.6. It's constantly being tweaked thanks