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Toplitz Productions. Games with Heart and Soul.

Named after the mystic “Toplitz Lake” which is situated in a dense mountain forest high up in the Alps, Toplitz Productions was recently founded with the aim of developing and publishing computer and video games “with heart and soul”.

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Immerse yourself in a survival experience , where a mysterious liquid takes hold of your life. Courage, time pressure and the sheer will to survive will determine your future. Will you be able to win the race against time, extract Serum, solve all the puzzles and discover the secrets of this eerie world? Your Life is in your hands!

You open your eyes and find yourself in an unknown, mysterious place. A green fluorescent liquid and a creepy implant turn your thoughts and your life upside down.

What is the meaning of this?
Where are you?
Why are you here?
How can you manage to escape this place?

After a short time you realize that this strange green Serum is the key to your future. Your race against time begins now…

Find shelter, search for new technology, craft your equipment and try to reach places where this precious substance is waiting to be gathered. But be warned: Serum can alter your body in unexpected ways.

Never forget: Your Life is in your hands!


  • Unravel the mystery of the eerie liquid, earn new abilities and find a way out

  • Fight against various creatures with a multitude of weapons: There are melee, ranged, throwing and serum-enhanced weapons available

  • Solve puzzles and activate secret mechanisms in doors, crates or hatches.

  • Build a safe house and expand your safety zone as you progress. Explore the fascinating world and discover new mystical biomes and their unique characteristics

  • Learn about the history of the mysterious location you are in and find out how to use the tools and devices (e.g. collect, loot, scan etc.)

  • Acquire new abilities and craft weapons tools and even special types of Serum


Developer: Game Island S.A.

Genre: Action, Survival
Platform: PC
Release: 2023

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