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Skirmish is a free print-and-play card game of Dark Ages combat, inspired by Atlas Games’ Lunch Money.
Nighthawks is a free print-and-play game of space combat. Remarkably, each player needs just 16 cards.
There’s a very interesting thread over in the Redditt board games forum. The question was “What are your favorite games that take five minutes to set up and five minutes to explain.”
It’s a very interesting list, and there are quite a few games there I’ve never considered. My group often finishes one game early and is looking for another to finish out the night. There’s a good many here for thought.
Food Truck Failures is a print and play card game where the players compete to make the most money in the food truck business.