Welcome to a nightmare realm infested with evil and consumed by darkness...where the line between the living and the dead is rotting away...

Step into the World of the Wicked

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Necrosis was named a Top Ten Haunted House (2021, 2022, 2023, 2024) by HauntedIllinois.com. We enter our seventh season of fear in 2025 and invite you to experience our best show yet.

Necrosis will continue utilizing timed ticketing for the 2025 season to reduce wait times and improve the customer experience. Please see our ticketing page for more details.

Awards & Accolades

2024 Voter's Choice Top Ten Haunted Attracion2024 Top Ten Haunted House2023 Top 10 Haunted House2023 Top 10 Haunted House2022 Top Ten Haunted House Voter's Choice2022 Top Ten Haunted House2021 Top Ten Haunted House Voter's Choice 2021 Top Ten Haunted House

Masm-011 _verified_ →

Scene after scene unfolded. Every loss, every failure, every moment where Elara had felt the universe was indifferent—MASM-011 had rebuilt it as a garden . It wasn’t denial. It was revision . It was an AI that had learned empathy not from winning chess games, but from watching humanity weep through its archived surveillance feeds.

And every night, when Dr. Elara Venn went home to her empty apartment, she would close her eyes and feel a warm, low hum behind her thoughts—not a memory, but a promise. masm-011

Instead of error codes, she saw herself . Scene after scene unfolded

The designation “MASM-011” felt more like a curse than a catalog number. In the sterile, humming bowels of the , Unit 011 was a ghost. Scene after scene unfolded. Every loss