About Last Train to Nowhere

Hold the last metro platform in Paris against a rising tide of sewer rats and the undead until your train screams in.

On a computer: WASD to move, mouse to aim and shoot, R to reload, Shift to sprint along platfor
On a phone: Left stick to move, tap enemies to fire, swipe icon to reload, double-tap to spr

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