Have 6 Improvements at one time - Sid Meier's Civilization VI
At the start of the turn have an Ecstatic city - Sid Meier's Civilization VI
Change your government - Sid Meier's Civilization VI
68/9,40360/1,9454/97
732/6,051390/1,00018/34
675/4,603310/1,00014/38