If you're a PC gamer , then chances are that Valve's Steam is your desktop gaming client of choice. As a software, it's pretty reliable compared to some of its competitors, but the sheer breadth of Steam's inventory alone has made it stand out as the leading choice for PC gamers . It's no wonder that there are so many memes that reference the relatable quirks of being a Steam user. Whether you've got too many games in your library to choose from, or you've happily been playing Counter Strike si…