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Haunted Attractions · Indoor monster haunt
DementedFX
Open for the season
Last verified: Oct 2026
530 Main Street, Holyoke, MA 01040
Indoor horror experience with large monsters, film-style sets and interactive video. Check operator calendar for specific operating nights.
Summoning the map…
Keep the nightmare going
Plan the rest of your outing around DementedFX.
8 within 25 mi of DementedFX
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