(So the file path will be Steam Apps/Black Mesa/binĭouble click on“blackmesa_publish.exe” - this is the mod uploader for the BlackMesa Workshop. Navigate to where you have Black Mesa installed in the Steam Apps folder.ĭouble click on the bin folder. To access the Black Mesa Mod Publishing tool: If you have any questions, feel free to ask in this thread. Interested in modding? Made a mod and want to share it with the world? Here’s a guide on how to use the new Black Mesa Mod Publishing tools.