DeMon Researcher

DeMon Researcher is a sci-fi survival horror where rogue AIs rule and humanity hides. When a leader’s daughter is taken by the terrifying DeMon, one man must uncover the truth—if he survives. Face off against deadly AI across 4 intense stages using guns, grenades, and grit.

At a glance

• Platform: Windows.
• Genres: Action, Adventure, Indie.
• Release date: Sep 30, 2025.
• Steam user reviews: 1 user reviews (100% positive).
• Delivered as a Steam library entitlement — activation is handled by Steam.

Minimum

Recommended

System requirements as published by the developer on Steam.

Activate on Steam

• Open the offer above — it takes you to this game's official Steam store page.
• Buy it there, or if you bought a key elsewhere, open Steam and choose Games → Activate a Product on Steam.
• Enter the product code exactly as it was issued to you.
• The game appears in your Steam library — download and play.

CDKeyCheap does not sell keys. We track and display prices; every purchase happens on the store you click through to.