Game Jam Starter Kit
The Game Jam Starter Kit is a set of procedural game art tools that can be used in the Unreal and Unity game editors. This starter kit provides a variety of bread and butter tools that you can use right away to enhance your game environments. These tools can be used inside these host applications using the Houdini Engine plug-ins which you can install at the same time you install Houdini.
You can learn about these tools from the following TUTORIAL.