Old fashioned Achievement
Win game on Hardest difficulty without upgrading your Town CenterStart a two-player skirmish game on the Hardest difficulty on a small map (e.g. Alaska) with any other settings. As soon as it starts enter the “Tuck Tuck Tuck” cheat and take it over to the enemy base, destroy it and you should win.
*Important* do not age up your town centre during this game