Unravel the mystery of Serum and survive the fight against time amidst a ruined world of destruction and mutated creatures.
Your life is at stake! The toxic fog obscures the dangers in an apocalyptic world where every second counts. A relentless timer on your arm decides between life and death. Prove your courage, explore the mysterious environment for resources and brew serums for unique abilities. Every dose of serum can make the difference in the fight for survival against mutated enemies. Find shelter in the chaos, search for technology and modify weapons for greater effectiveness. The race against time begins now.
Explore Different Biomes
Unravel the mystery of Serum and find your way out while exploring different biomes and their unique characteristics. Find clues about past events and use the new-found wisdom to survive while experiencing beautiful graphics delivered with the power of Unreal Engine 5.
Create New Tools and Weapons
Figure out 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 won’t be your last one.
Unique Brewing Mechanism
Take advantage of a unique brewing mechanism that allows you to create various mixtures of Serum. Experiment with dozens of combinations and use them to enhance your abilities. Ensure you’re carrying enough to get you out of a tough spot.
Combat Mutated Creatures
Clash with various creatures using a multitude of weapons: melee, ranged, and throwing including spears, bows and clubs. Use Serum to infuse and modify your weapons and gain the upper hand against mutated abominations that roam the island.
Survive Under Pressure
Endure in a hostile environment under the pressure of time. Manage your health, stamina, and beware of Serum side effects.
Additional notes: High settings, 1080p @ 60 FPS. CPU must support at least the SSE3 instruction set. Does not require the AVX instruction set.
To activate the game, you need a Steam Account
Login or register at the official Steam Website and download Steam client
Install and start application, login with your Account name and Password
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process
After the successful code verification, go to the "MY GAMES" tab and start downloading.
News & Updates
2025-12-16
Double Up on Christmas Deals with YUPLAY
This Christmas we got not just one, but actually two very interesting promotions prepared for you! The first out of the two Christmas holiday promos is going to last a bit more than a week and it would include discounts on all the games we got on our website and if you decide to buy at least 2 (or more) game titles, at checkout there would be an automatic 10% (with a maximum cap limit of 3€) taken off from the cheaper one in the order. The second one…
As the holiday season is already nearly here, we prepared a special Christmas Giveaway that would let you test your gaming IQ with YUPLAY and win some awesome prizes while doing it! Make sure to regularly check and follow our YUPLAY X profile in order to be in the know about any possible chances to participate and enter the Christmas Giveaway in a timely manner. Are you up to the challenge and ready to guess some great gaming titles?
