From RoboBlitz Editor Wiki
Not Supported in Version 1.0
Compiling script was not supported in the first version of RoboBlitz. However, patch 1.1 added support for compiling Unrealscript.
Until you have the 1.1 patch, please DO NOT try to compile your own scripts (even if you think you've figured out how.) This will result in the deletion of all your .u file, causing your game not to run anymore.
If you failed to heed the previous warning and have erased all your .u files, running a Repair from the RoboBlitz installer should getting things fixed (or try verifying your local game cache, if you're running from Steam).
How to setup Unrealscript compiling
Get the 1.1 patch for RoboBlitz.
In your RoboBlitz directory create a folder called Development. Inside of the development folder create a folder named Src.
Inside the Src folder create a folder with the same name as the package you intend to create.
Inside of your package's folder add a folder called Classes.
Open RoboBlitz\RoboGame\Config\RoboEngine.ini and find the section that constains EditPackages=<PackageName>. Add a new Edit Packages line. EditPackages=<NameOfYourPackage>. Make sure to replace <NameOfYourPackage> with whatever you named the folder created in the previous step.
Place any unrealscript files you'd like to compile in your package's Classes folder.
To compile your Unrealscript run RoboBlitz with the make command line flag.
Make a shortcut to RoboBlitz make
Create a shortcut to RoboBlitz. You can do this in steam by right clicking RoboBlitz in My Games and selecting Create Desktop Shortcut. In non-steam versions, just make a shortcut like you would for any other application.
Right click on your shortcut and select Properties. At the end of the Target: field add a space followed by the word "make" hit ok.
Rename your shortcut to something like "Compile RoboBlitz Scripts"