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Yes

Any number

Yes! You can block as many revealed Event Cards as you like. But, you have to commit yourself when taking the action for how many cards you would like to block. E.g. Manuel looks at the revealed Event Cards and 4 of the 3 revealed Event Cards have a blocking area. He decides to block two of them. For the first Event Card he needs to draw a Yellow Block (as the area to block as a Yellow border) and for the second Event Card a Green Block out of the HQ Tower. He places each Block on the matching Event Card.

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On every Event Card there is a piece of connected story (flavor text) on it. Further the Events are designed to play in order. On the bottom right of the card you will find the card code (e.g. 1.20; Scenario 1, Card 20). However, you can shuffle the cards and make the game more challenging. See also Experienced Mode in the Setup-chapter of the rules.

Sure, at the bottom right of the Event Card you will find the deck-code (e.g. 1.20, Scenario 1, card 20). Sort them in ascending order, so the lowest card is at the top of the deck (facedown).

There is a connected story throughout the 3 scenarios. To play the campaign, i.e. the story, play them in order: start with Scenario 1. The difficulty will increase too. Scenario 1 is easy (2 out of 3 plays should succeed) whereas Scenario 3 is difficult (less than 50% will succeed). Further, there will be new rules and different event-types introduced throughout the Scenarios.

This is just for thematic reason. Choose 3 of them and bond with your characters, who you will have to protect!

They come in the same scenario box but have different card backs. See also the Iconography.

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No

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Yes