In an age where humanity has gone extinct, you will play a “being” with no memory.

You have hands to wield weapons, an intelligent brain to gather information and uncover monsters’ weak spots.

Escape the laboratory infested with monsters and try to understand what you truly are.

Abandoned labs, a wounded planet, mutated creatures, invaders of every kind.

And you, a “lab rat” born into this world—what do you want?

To collect data, identify enemy vulnerabilities, aim your weapon at the precise point, block, counter-attack, dodge?

To fight them up close or spend what little energy you have to strike from afar?

Go on: fight, slaughter, tally your failures, and restart again and again, until the fragments you’ve gathered piece together the truth.

Basic game operations:

• Mouse controls weapon-attack direction (making it easier to hit weak spots)

• Double-click the movement key to expend energy on a dash (dodge)

• Take medicine to restore health

• Watch backpack weight—or drop it temporarily to boost agility

• In combat, weigh the risks of attack/defense potions that leave lingering “after-effects”

• Decide whether to spend energy on leveling up or on firearm rounds

• …