About This Demo

Descend into the darkness.

Keep your submarine alive.

Trust your crew or drown together.

Magnavis is a co-op submarine survival horror game where you and your crew must operate a submarine, keep critical systems running, complete dangerous missions, and survive the creatures lurking in the depths.

This is not just a teaser Magnavis’ core gameplay loop is fully playable in this demo.

Fight flooding.

Repair broken systems.

Complete the mission.

Survive the journey.

This Demo Includes

1 Playable Main Mission

Cargo Transport Mission

Take the job. Protect the cargo. Survive the journey.

Accept a mission from one station, transport the cargo safely through dangerous underwater caves, and deliver it to the next station

despite everything waiting for you in the darkness.

Core Submarine Management

Take full control of your submarine:

• Engine Core management

• Oxygen control

• Machine maintenance

• Hull repair

• Flood management

• Navigation under pressure

Every system matters. Every mistake has consequences.

Panic-Driven Co-op Repair Puzzle Systems

Broken machines do not fix themselves.

Work together under pressure through fully cooperative repair systems built around communication, speed, and teamwork to keep the submarine alive.

5 Unique Repair Puzzle Types

Every broken system requires a different solution.

Asymmetrical Problem Solving

One player reads the instructions.

The other executes them under pressure.

Machine Repair

Restore critical submarine systems before they completely fail.

Procedural Puzzle Generation

Every mission brings new combinations, different layouts, and increasing difficulty.

If you cannot communicate here, you cannot survive.

3 Unique Enemy Types

Some react to even the smallest sound you make.

Some can detect your submarine and destroy it within seconds if you are not careful.

Some sneak inside the submarine and wait for the right moment in a corner.

Some hunt not only in the depths, but also inside the submarine.

The deeper you go, the more you realize you are not alone.

Silence does not mean you are safe.

Procedural Cave Generation

No mission is ever the same.

Encounter different cave layouts, new routes, unexpected dangers, and changing threats in every run.

Adapt or sink.

1–4 Player Full Co-op Experience

Designed for fully cooperative gameplay with a proximity voice chat system.

Panic, bad decisions, and emergency repairs… this is how the best crew stories begin.

The Full Game Will Include in Early Access

• More enemy types

• More mission types

• Expanded station gameplay

• Additional submarine systems

• Progression systems

• More locations, events, and discoveries

• Deeper horror, harder missions, and far worse things waiting below

This demo is only the beginning.

The full game will take you much deeper.

Wishlist Magnavis

Play the core survival experience now.

If you enjoyed the demo, wishlist Magnavis and be ready for the full Early Access launch.

The deeper you go, the worse it gets.

Mature Content Description

The developers describe the content like this:

The game plunges you into a gritty, realistic environment where unseen horrors stalk submerged wreckage, and player characters can be brutally slain by creatures lurking in the depths.