The play cost is the number in the top left corner of operation and event cards, representing how many credits a player has to pay in order to play that operation/event. Play cost is a formula.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.