Official rule text
61.5 If a player fulfills the requirement described on an objective a The speaker does not reveal stage II objective cards until all card, they can score that objective following the timing stage I objective cards are revealed. indicated on the card, either during the action phase or the status phase. 61.15 If the speaker must reveal a facedown public objective card but all public objective cards are already revealed, the game ends a When a player scores an objective during the status phase, immediately. they must fulfill the requirement on the card during the “Score Objectives” step of the status phase to score that objective. a The player with the most victory points is the winner. If one or more players are tied for having the most victory points, b When a player scores an objective during the action phase, the tied player who is first in initiative order is the winner. they can do so at any time during that phase.