Arm of Satan: Chapter 1

ARM OF SATAN is a tough 2D platformer that can be played solo, or with a unique 2-player local co-op mode. Featuring kick ass visuals influenced by the Hellboy comics, arcade-inspired gameplay, and a deep and captivating narrative.

At a glance

• Platform: Windows.
• Genres: Action, Adventure, Indie.
• Release date: Oct 31, 2025.
• Steam user reviews: 8 user reviews (100% positive).
• Delivered as a Steam library entitlement — activation is handled by Steam.

Minimum

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.

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