Items included in this bundle

• Serum
• Serum - Story Codex
• Serum - Cocktail Book
• Serum - Official Guide

The Serum Ultimate Edition is a treasure trove of exclusive content designed to enrich your survival adventure experience. Delve into the secrets of Serum game and get additional content with an immersive Serum - Story Codex, create your own Serum Elixirs with the Serum - Cocktail Book, and hone your Serum knowledge with the Serum - Official Guide. The Serum Ultimate Edition contains the full game, plus information and content perfect for survivors who want to become a true survivor of the Serum journey.

Serum - Story Codex
Uncover the Secrets of Serum's Story: Delve deep into the lore of Serum with the Serum Story Codex. Compiled from meticulously arranged diary entries and enriched with detailed explanations, this Codex unravels the mysteries surrounding the game's narrative. From the enigmatic origins of the island to the sinister machinations of E.V.A.S, discover the full story behind Serum like never before.

Serum - Cocktail Book
Explore a collection of expertly crafted cocktails (alcoholic and non-alcoholic) infused with a unique game-inspired twist. From refreshing potions to tantalizing sweet elixirs, each recipe promises to transport you to the immersive world of Serum. Sip on your very own "personal Serum".

Serum - Official Guide
Equip yourself with essential knowledge and expert advice with the digital guidebook, providing in-depth explanations, helpful support, and invaluable tips & tricks for mastering Serum's challenges, its biomes, Serum upgrades, weapons and more.

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.

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.