For the Python (2.x/3.x) version, you can go to game.py.
For the executable version (AKA "You're too lazy and/or you don't want to look at code"): go to exe.zip (requirements pre-downloaded) or sfexe.zip (requirements not there, downloaded with exe in there).
If you want to chat about stuff relating to the game with us, come to our freenode chat at webchat.freenode.net at #waystonotmakemoney.
If the things you want to talk about are more technical, you can do one of two things (depending on what you want to talk about):