Serum launches in early access on May 23

First-person adventure and survival game. Serum will be released in early access for PC via Steam on May 23, publisher TopLitz Productions and developer Game Island announced.

The early access period will last “approximately 12 months” before full release and will provide “hours of exploration, crafting, and resource gathering,” including the ability to forge weapons, use formulas to create serums, and build items of your home. base and hunt, all of which are main features in the game’s cooperative and solo play modes. The full version will include evolved crafting, tools, weapons and exploration, as well as other improvements based on user feedback.

Here’s an overview of the game, via its steam page:


Immerse yourself in an exciting survival adventure where an unknown liquid takes control of your life. Extract serum to stay alive, fight dangerous creatures, solve puzzles, and discover clues to past events. Find the exit alone or in four-player cooperative mode.


Imagine waking up in a world invaded by a mysterious toxic substance with a strange device attached to your arm. Will you muster the courage to explore and survive, or will you simply await your demise? One thing is clear: you need Serum to prolong your life. How to find it is up to you.

Find shelter, search for new technology, create your equipment and modify weapons to protect yourself, and try to reach places where this precious substance is waiting to be harvested. But be careful: serum can alter your body in unexpected ways.

Remember: Life is in your hands!

Key Features

  • A mysterious world to explore – Unravel the mystery of Serum and find your way out as you explore different biomes and their unique features. Find clues to past events and use newfound wisdom to survive while experiencing beautiful graphics delivered with the power of Unreal Engine 5.
  • Gather, hunt and farm – Discover how to create new tools, traps and weapons. Gather serum from animals and plants and expand your safe zone to create a sustainable source of the substance. Prepare wisely for your next excursion to ensure it isn’t your last.
  • Experiment with different serum formulas – Take advantage of a unique brewing mechanism that allows you to create various whey blends. Experiment with dozens of combinations and use them to improve your skills. Make sure you bring enough to get you out of a sticky situation.
  • Fight to get out – Take on various creatures using a multitude of weapons: melee, ranged and thrown, including spears, bows and clubs. Use serum to infuse and modify your weapons and gain the upper hand against the mutated abominations roaming the island.
  • Defy the odds – Endure in a hostile environment under time pressure. Manage your health, stamina and beware of serum side effects. Survive alone or with a friend in online cooperative mode.

Watch a new trailer below.

Early Access Release Date Trailer

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