For other modders who wish to build in compatibility with EGM :

This covers EGM and its add ons (including Ark Mod, Omega Hub, Miranda Mod etc)


Test plot if EGM is installed bool 29400 = TRUE
Test conditional if EGM is installed conditional 5019 = TRUE
Expanded Galaxy Mod Mount: 5000
Add-on mounts range 5010-4990
DLC TLK ID: 945100
TLK Range: 944000 - 949000

Plot State Range: 28000-29501
Conditional range: 4600 - 5999
State events range: 8700 - 9499