PiTUNG - The mod framework for The Ultimate Nerd Game
You can get the latest version of PiTUNG right out of the oven here. DISCLAIMER: this version is built from the latest commit, which means that it most likely won't work reliably. You probably don't want to download this version, but rather this one.
For users: How to install the framework
Installing the framework is extremely easy, just download the installer to the same folder as "The Ultimate Nerd Game.exe", and double-click it!
For developers: How to create a mod
See the documentation.
This framework uses Harmony under the hood, so you may want to take a look at its documentation if you need more flexibility.