1893. Argentina. An isolated medical institution. An experiment gone terribly wrong.

Deep within the Paraná Delta stands Las Tormentas, a sprawling medical complex operated by the prestigious Colegio de Medicina Experimental.

Built to push the boundaries of human biology, its physicians experimented with surgery, electricity, neurological alteration, and the manipulation of living tissue.

Something has gone terribly wrong.

Its patients roam the halls, its machinery still operates, and its research has escaped the operating table.

You are Emilia. Survive Las Tormentas, uncover its secrets, and use everything the institution has to offer to find a way out.

There is no prescribed way to survive.

ExMORTALIS is an immersive sim built around interconnected systems, physical interactions, and player experimentation.

Fire spreads. Electricity conducts. Sound travels. Objects have physical properties. And enemies respond to the world around them.

Set traps, start fires, exploit electrical circuits, turn machinery against your enemies, or use the resulting chaos to slip past unnoticed.

• Fight your way through with firearms, improvised weapons, and experimental medical apparatus.

• Manipulate the environment using fire, electricity, machinery, chemicals, and physical objects.

• Remain unseen by exploiting darkness, distractions, alternate routes, and enemy behavior.

• Experiment freely with systems that interact beyond their intended purposes.

No single strategy is guaranteed to work.

If you can think of a solution, try it.

The experiments that transformed the inhabitants of Las Tormentas are now at your disposal.

Discover mutagen vials and subject yourself to permanent biological alterations that change what your body is capable of.

Strengthen your skin. Reshape your limbs. Heighten your senses. Accelerate healing. Turn your own biology into a weapon.

But every advantage comes at a cost.

There are no skill trees, character classes, or predetermined builds.

Combine mutations freely, discover unexpected synergies, and learn to survive the consequences of your decisions.

The more you change, the less human you may become.

Las Tormentas is a dense, interconnected institution filled with hidden passages, functioning machinery, restricted wards, and forgotten experiments.

Explore surgical theaters, laboratories, maintenance tunnels, industrial workshops, containment chambers, and abandoned patient wards.

• Find your own way forward through alternate paths, environmental interactions, and improvised solutions.

• Learn how the facility works to unlock routes, bypass obstacles, and exploit its infrastructure.

• Uncover its secrets through medical records, environmental storytelling, and the remnants of failed experiments.

Every room serves a purpose. Every mechanism is part of something larger.

Observation is as valuable as ammunition.

The inhabitants of Las Tormentas were once patients, physicians, workers, and unwilling participants in the Colegio's research.

Now, their bodies and minds have been altered beyond recognition.

Some hunt by sound. Others perceive the world in unfamiliar ways. Some remain occupied with behaviors they no longer understand.

Study them. Avoid them. Exploit their senses. Turn them against one another.

Or confront them with whatever you have at hand.

Not every encounter needs to end in violence.

The Colegio developed instruments to heal, restrain, transform, and study the human body.

You will find other uses for them.

Wield period firearms alongside galvanic devices, chemical apparatus, surgical instruments, and experimental equipment never intended for combat.

In Las Tormentas, the line between a medical instrument and a weapon has all but disappeared.

Inspired by the elegance of Belle Époque Argentina, ExMORTALIS blends gothic horror, industrial machinery, experimental medicine, and the unsettling possibilities of human transformation.

Behind every ornate door lies another reminder of what happens when scientific ambition outlives human restraint.

Las Tormentas was built to discover what the human body could become.

Now you must decide what you're willing to become to escape it.