Station Defence

Set many years after an apocalyptic event, the player takes on the role of an elite scavenger among a group of survivors, your group of survivors went ahead on the train as you defended them. The train eventually returns to your station alone (No one on it), over the course of the game, you recover audio logs from your old team, and discover over the course of the game their struggles, until eventually finding out about their grim fate at the final station.