From in ArchiCAD, export as *.3ds
Open in 3ds max and do some preparation work
Export as *.ase (but not all at once...)
Load in the Unreal Level editor as a static mesh, making sure you carved out the "world" before.
Assign the correct texture maps.
Add lights and build and play.
--- stefan boeykens --- bim-expert-architect-engineer-musician ---
Archicad28/Revit2024/Rhino8/Solibri/Zoom
MBP2023:14"M2MAX/Sequoia+Win11
Archicad-user since 1998
my Archicad Book