There’s a funny thing with video game genres in particular: a lot of them are based on just closely tracing the lines of preexisting games, only with a few small mechanical tweaks and a different-enough setting over the top. And few genres are quite as obvious in that regard as the XCOM-alike: a turn-based tactics game based on managing a small squad of permanently-killable allies through a series of close-quarters, grid-based combat encounters, before ducking out to do a bit…