It was a lazy way of searching outdated WSE version containing neccessary functions for correct work of scripts. I will check if it possible to add old functions in current WSE for compability. Also battle-time readme file helps a lot, then should give attention to bandit lairs scripts in battle time source code and scene files which contains ones. Due to extra purity of gekokujo source code(there is almost no unused code from native) a part which contains changing music with culture in multiplayer was ripped out. I restored that part. Of course process of compiling a module required to add a coop game modes.