Texture: 2048 - 2048, diffuse, normal, MIX. - (R AO, G Roughness, B metall). UV map.

(MIX - there are separately)

additionally have very simple animations.

you can also look at the grid in marmoset, not all models are triangulated.

have textures in supporting items.

Real-world scale.

ready to be imported into the game, (use .fbx )

I check in Marmorset and KeyShot. Tested in UE4 / UE5 .