Vanilla/G&K exploits removed for BNW: Liberty/Autocracy Policy Switch - This is no longer possible. Exploit involving trading for Lump Sums of Gold: - You may now declare war to break deals whenever you want. Still exploits in BNW: Exploit involving trading for Lump Sums of Gold: -Repeatedly selling a resource (luxury, strategic, etc.) and pillaging or allowing Barbarians or other civs to pillage the resource or trade route to break the deal. Building Oxford multiple times - Building Oxford University National Wonder and then gifting or selling the city containing it and building it again for another free tech is not allowed. Selling Cities - You may sell cities to the AI. - However, any city sold to the AI may not be reacquired, either by capturing it, or receiving it in a peace deal. - Cities gifted to the AI, or lost in a peace deal, may be reacquired. Research overflow bug Deliberately taking advantage of this bug to improve your finish date/Score is not allowed. NOTE: New exploits will occur or be discovered over time. Use of a potential exploit should be verified the HOF Staff before use.