Underrail is heavily inspired by classic Fallout [as in, the first two] and it shows in every aspect of the game. You've got the isometric, 2D backgrounds, turn-based tile combat, the crumbling scifi setting, character creation, and so on. Right now it's still in Early Access Beta on Steam [and other services not worth mentioning], but it's perfectly playable in its current state and well worth the asking price of $10.