Mods introducing new content into the game.
Concrete-Walls_1.1.0 -Additions- patched - concrete walls return their concrete item instead of stone walls Concrete-Walls_1.0.1 Categories Content - Vanilla factorio can be experienced at near 100% unbothered with this mod included Combat - adds walls that are greater in effectiveness against biters Licence MIT -Additions- Mod Created Concrete wall and doors added Research Implemented