Big steamworks code, includes basic functionalities, setting rich presence, unlocking achievements.
It also has memory managment stuff now, for whatever reason
Get steamworks here: https://partner.steamgames.com
You will need to supply an appid for the game you're trying to meme, so create a text file in the same location as the executable named "steam_appid.txt" and just put the ID in there, such as "440", or "730" without the quotation marks.