About Dernier Métro

Hold a flickering Paris metro platform against swarming rats and drifting ghosts until the last train pulls in.

On a computer: WASD move, mouse aim, click to zap rats, hold right mouse for lantern beam
On a phone: Left stick move, drag to aim, tap to zap, hold beam button for lantern

Botham described this game in a sentence on OhMyGames and the AI built it. You can make your own the same way, free to start.