The last game you'll ever play

Sure, these are probably not the last days of human civilisation as we know it. But a whole lot of things that a whole lot of people said could never happen happened over the past year, so who knows?

For now, let's just call it a thought experiment. The world is due to end some time soon, making this the last chance you'll ever have to actually play that game you always said you'd get around to playing one day. (And let's sidestep the fact that, yes, there are a number of other things most of us would do with our last remaining days). But what game would that be? Here's mine.