This method mostly only works with "DRM-free'ish" Steam games, . a game to support being launched without Steam being available and still. Ok so here is my delima. I want to play a steam game (Terraria), that I legitimately bought, without having to run or start Steam at all. I don't suppose anyone could give a sure fire way to start a Steam game without the Steam client, such that I could create desktop or ideally.
Steam - How to install any game on steam without downloading [EN]
Start games without steam - Games
It's about having full control over your games and what programs are running on your PC. I don't hate Steam, I used to, not so much. Depending on the game this will still launch steam, all you're doing is jumping straight to that game without having to navigate in steam, but steam will will load. Interestingly, it is possible for a game to support being launched without Steam being available and still use Steamworks features on the condition that Steam is available. Or someone smarter than me will come along and give you even better info. That's why i try to buy single player games off sites like direct 2 drive or gamersgate, you get the files to backup and don't need a 3rd party program to run them. That game I can play by steam or by using the exe file.