This is a list of the tutorials we have, feel free to write more!
Installation - JK2 Editing tools 1
Installation - JK2 Editing tools 2
Creating textures, limits and rules
Shaders, What are shaders ? Example:lava shader
Creating an Activatable Security Cam
Performance optmizing, Area-Portals
Performance optmizing, Hint-Portals
Behaved installation and set up