E'sTankCannonsMod is Besiege mod.
This mod add more weapons like tank cannon.
Please subscribe from the following link.
https://steamcommunity.com/sharedfiles/filedetails/?id=2195829658
E'sTankCannonsMod requires AddCustomModuleMod. Please subscribe it. https://steamcommunity.com/sharedfiles/filedetails/?id=1778796598
Turn on these mods in the mod list that is upper right conner of the Besiege's title screen. and restart Besiege.
If you want to install the development version, download the development branch and extract it to your mods folder.