NightMare King
Dive into a nightmare-ridden world in this fast-paced roguelite! Choose from 42 characters, 84 weapons, and 176 items to forge your own build. Battle through 8 maps, slay hordes of monsters, level up, collect gold, and upgrade. Can you survive the endless nightmare?
Last Updated: 2/21/2026
| Steam Price | $3.99 |
| Release Date | 10/28/2025 |
| Developer | Starmoon Cat |
| Publisher | Starmoon Cat |
| Steam App Id | 3956470 |
NightMare King
Dive into a nightmare-ridden world in this fast-paced roguelite! Choose from 42 characters, 84 weapons, and 176 items to forge your own build. Battle through 8 maps, slay hordes of monsters, level up, collect gold, and upgrade. Can you survive the endless nightmare?
Last Updated: 2/21/2026
- Windows
- Mac
- Linux
- Steam Deck (Playable)
About NightMare King
NightMare King is an Action, RPG, Casual, and Strategy game developed by Starmoon Cat. On 10/28/2025, it was released on the Steam Store by Starmoon Cat.
It can be played and ran on Windows systems. At the moment, it is possible to play NightMare King on the Steam Deck but some functionality may not be fully supported.
It also supports 7 languanges in-game including English, Japanese, Chinese (Simplified), Korean, and Chinese (Traditional). Each language comes with varying levels of support for the in-game interface, audio, and fully translated subtitles.
According to Steam’s category system, NightMare King supports the following features:
- Playable without Timed Input
- Full controller support
- Custom Volume Controls
- Camera Comfort
- Steam Cloud
- Single-player
- Family Sharing
- Adjustable Difficulty
- Steam Achievements
From the Steam community, NightMare King has been tagged with the following user tags:
- Action Roguelike
- Roguelike
- Gothic
- Strategy RPG
- Procedural Generation
- Magic
- Fantasy
- Roguelite
- Deckbuilding
- Pixel Graphics
- RPG
- Bullet Hell
- Top-Down Shooter
- Dark Fantasy
- Strategy
- Indie
- Casual
- Action
- Singleplayer
- 2D
Media & Sceenshots
Watch the featured video for NightMare King and see the latest screenshots from the Steam Store.
Related Packages
NightMare King is referenced by 1 package in the Steam Store. A package (or sub) is simply an item that can be purchased on Steam.
| Name | Price | Actions |
|---|---|---|
| NightMare King | $4.49 | View |
Supported Languages and Localizations
NightMare King is available in 7 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | Yes |
| Japanese | Yes | Yes | Yes |
| Chinese (Simplified) | Yes | Yes | Yes |
| Korean | Yes | Yes | Yes |
| Chinese (Traditional) | Yes | Yes | Yes |
| German | Yes | Yes | Yes |
| Russian | Yes | Yes | Yes |
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Features & Categories
Frequently Asked Questions
Soures & References
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NightMare King data has been sourced from:
- Valve Corporation. (2026, February 21). NightMare King on Steam. Steam Store.
- Valve Corporation. (2026, February 21). NightMare King. Steam Community Hub.