If memory serves the game did not use 3DFx at all. It was a DirectX/MMX game.
I am getting old and not all that up-to-date but maybe you don't need dgVoodoo at all..?

mitradis wrote on Yesterday, 13:09:

Game G-NOME crash when try start new game.
https://www.gog.com/dreamlist/game/g-nome-1997

I have create a topic for this problem here G-NOME bug font with dgvoodoo 2 2.84.1 and crash when campaing is launched

Dege has answer. The problem can't be solved because game use gdi and not directx