Mecha for All, but I’m the Iron Courage Train Hero

[Doomsday] + [System] + [Interstellar] + [Mecha] + [Game Becomes Reality]

Brain-computers strike, causing some people to mutate into zombies.

Others undergo spectacular upgrades and become mecha warriors.

Doomsday is the real deal.

The System is the real deal.

Interstellar is the real deal.

Mecha are the real deal.

So what exactly is out of place in this utterly magical world?