Serum Ultimate Edition - PC (Steam)

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.