You can use this model in your maps. This type generally used for Japanese style projects. Generally useful for FPS games optimized low poly. Only Exterior, doors not opening interior is empty.
Prepared from a two texture set ; (Base map and Glass alpha) and very optimized for map making.
Base Map 2048x2048px Glass alpha
1024x1024px
Poly 25.139 and Verts 14.662