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Gamehelpcastlecombo
Overview
Have the most points at the end of 9 rounds
Turn
First, you MAY spend one key to either move the Messenger to the other row OR discard the row the Messenger is on and refill it
After which, you have to buy a card in the row the Messenger is on, the cost is at the top left of the card. You may have ways to discount this cost, but never below 0. If you cannot buy a card, take any available but flip it face down and its features are no longer applicable, but you gain 6 coin and 2 Keys.
Regardless of whether the card you gained is faceup or facedown, place it into your grid orthogonally adjacent to an existing card whilst making sure not to go beyond the 3x3 boundaries.
After placement, carry out the card's ability. This may effect you, all opponent's, or a neighbour of your choice.
The card may also instruct you to move the Messenger to a particular row
After which, refill any row with less than 3 cards
Game End
The Game ends after the 9th round, in which all players will have a 3x3 grid
Any leftover gold can be assigned to Purses on cards up to the capacity of that Purse
Cards score based on their particular requirements
Facedown cards don't score anything
Leftover Keys are worth 1VP each
Gold not assigned to a Purse does not score anything
The player with the most points, wins!
If tied, the player with the most Gold not in a Purse, wins!
Summarised by https://boardgamearena.com/player?id=90078516