@git clone https://github.com/FlatRockSoft/CatacombApocalypse.git
@git clone https://github.com/id-Software/wolf3d.git
@git clone https://github.com/keendreams/keen.git
+ @git clone https://github.com/FlatRockSoft/Catacomb3D.git
@cd $(BUILD_ROOT)
@cp $(DOSLIB)/make-lowercase .