Nightmare Unleashed
Nightmare Unleashed! is a fast-paced voxel FPS where you battle relentless monster hordes through the night. Dash out of danger, wield powerful firearms, and survive solo or with a friend in 2-player online co-op.
Last Updated: 10/23/2026
| Steam App Id | 5188700 |
About Nightmare Unleashed
Nightmare Unleashed is an Action game. It was released on the Steam Store.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Nightmare Unleashed supports the following features:
- Online Co-op
- Partial Controller Support
Media & Sceenshots
Watch the featured video for Nightmare Unleashed and see the latest screenshots from the Steam Store.

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Soures & References
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Nightmare Unleashed data has been sourced from:
- Valve Corporation. (2026, October 23). Nightmare Unleashed on Steam. Steam Store.
- Valve Corporation. (2026, October 23). Nightmare Unleashed. Steam Community Hub.