Half-Life 2, voted like one of the best game ever in the world at 2004. Counter-Strike: Source is one of the world most popular multiplayer shooter. What would happened if you were to merge both of these?Simply, you will have a mod with Half-Life 2 storyline with Counter-Strike: Source weapons and hence, Counter-Life 2 is born. Half-Life 2 is singleplayer game, so, where are the buy stations? Well, all the buy stations are the Health and HEV stations you encouter throughout the game, strategically placed. Just go up to them and use them. Like in CS, each weapon cost a specific amount of cash.