Anyone with much luck running Tmodloader on Steam Deck? [GOG Linux]

I got Tmodloader working fine on my desktop without issues using the GOG Linux Native version, but trying the same on my Steam Deck has proven tricky, I try adding it as a non steam game via the .sh commands [start-tmodloader.sh], but nothing happens when I launch it, in either desktop or game mode, not much luck adding Lutris...