Serum Ultimate Edition PC Steam CD Key - discussion

Includes: Base Game Serum - Story Codex DLC Serum - Cocktail Book DLC Serum - Official Guide DLC 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 abilitie
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