Add it to your server
In your server's .ini file (servertest.ini by default), add these to the existing WorkshopItems= and Mods= lines, separated by a semicolon (;).
WorkshopItems=3738362476;3827943865
Mods=ProjectRemnants;PPR_SafehouseExpanded
These lines include the mod it requires, as its Steam page declares it:
- Project Remnants ·
ProjectRemnants
| Workshop item | Subscribers | Declared in |
|---|---|---|
| Project Remnants: Safehouse Expanded3827943865 | 39 | description footer |