GnollHack

Turn-based dungeon crawling with adjustable difficulty and optional permanent death

Hyvän mielen pelit ry · Released Apr 29, 2025

Reviews: Very Positive; 88% of 56
Recent reviews: Not enough recent
Players: 2; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 2 days ago; Oct 26, 2026
Minimum PC: HD; 8 GB RAM · 1 GB disk; Full requirements

What is GnollHack?

This free, single-player 2D fantasy roguelike is an expanded version of NetHack. Each run takes you through procedurally generated dungeons, where you fight monsters and use items to survive.

For you if...

+you enjoy experimenting with complex rules and interacting systems

Not for you if...

−you prefer reflex-driven action over deliberate tactical decisions
−you want to explore dungeons with other players

What players say

88% of 56 reviews are positive

Players praise the clearer interface and controls for making NetHack more approachable. They also highlight the voice acting and expanded mechanics.

Screenshots and trailer

GnollHack system requirements

Minimum: HD, 8 GB RAM, 1 GB of disk space.

As published by the developer.

Can my PC run GnollHack?

Tell us your graphics card once and every game page will answer this for you.

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Minimum

OS: Windows 10
Processor: 5th Gen Intel Core Processor
Graphics: Intel HD Graphics
Memory: 8 GB RAM
Storage: 1 GB available space

Does GnollHack have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does GnollHack run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows, Linux
Steam features: Family Sharing
Languages: Full audio: English.

Does GnollHack use AI-generated content?

Yes. The developers disclose AI-generated content on the game's Steam page:

GnollHack includes Gnoll Overseer, an optional AI assistant that uses third-party generative AI models to answer players’ questions in a text chat. Players can ask about game mechanics or request help with their current game situation, which is shared with the AI as context only when they use the feature. Overseer only produces chat replies: it cannot take actions in the game or generate images, audio, or other in-game content. Its instructions restrict it to GnollHack topics, and it uses strict system guardrails and the AI providers’ safety filters to prevent harmful, offensive, or illegal re...

Full statement

GnollHack includes Gnoll Overseer, an optional AI assistant that uses third-party generative AI models to answer players’ questions in a text chat. Players can ask about game mechanics or request help with their current game situation, which is shared with the AI as context only when they use the feature. Overseer only produces chat replies: it cannot take actions in the game or generate images, audio, or other in-game content. Its instructions restrict it to GnollHack topics, and it uses strict system guardrails and the AI providers’ safety filters to prevent harmful, offensive, or illegal responses.

The statement mentions: AI active during playArtText & translations

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 28, 2026. How to filter AI games on Steam