Ridin’ Solo

1 Player - Solitaire-like

Place the deck in the center of your play area, and then place 3 lines of cards face down going out from the deck. The outside cards are flipped face-up. Then, deal one mulligan card to hold on to. The goal is to “clear a line” by creating a face-up row of cards who do not share any attributes with adjacent cards

Play continues by swapping the position of any two cards. When two cards are swapped, one of them is flipped face-up (the exception being if you swap an already face-up card with your mulligan). If a flipped card would create an invalid row by being adjacent to another card that shares one of its attributes, that row is lost and set to the side. Any time a row is cleared or lost, 3 new cards are placed, with the outermost card flipped face-up.

At the end of the game, the mulligan card is placed as the face-up card of the final line.

In a perfect game, you can clear all 48 lines - how high of a score can you get?