Originally Posted by Ghost Matter
Do mods prevent achievements? I googled it and it seems that they don't but I'd like to confirm.
As long as the "achievements.mnu" file in UI and the "unlocks.gdb" file in Database aren't modified by a mod, then it shouldn't cause a problem. Such a mod could be done, but I'm not aware of any posted mods for Zombasite that could do it as of the present time.