Spiderweb Software
Avadon: The Black Fortress

At a glance
Genres
- role-playing video game
- strategy video game*
Play modes
- single-player video game
Game facts
Developers
- Spiderweb Software
Publishers
- Spiderweb Software
Platforms
Players by platform
- Microsoft Windows*
- Maximum players (mode unspecified)
- 1*
Compatibility and community reports
- Steam Deck · 2026-06-27*
- Compatibility category
- Playable*
System requirements
- Windows · Unspecified tier*
- Processor alternatives
- 1.6 GHz CPU*
- Memory
- 512 MB Hard disk space: 300MB Video: OpenGL compliant graphics card Sound: Sound card*
- Conditions
- Operating system: Windows® XP / Vista™ / Windows® 7*
- Linux · Unspecified tier*
- Processor alternatives
- 1.6 GHz CPU*
- Memory
- 512 MB Hard disk space: 300MB Video: OpenGL compliant graphics card Sound: Sound card*
- Conditions
- Operating system: Ubuntu 12.04 or equivalent*
- macOS · Unspecified tier*
- Operating system
- OS X 10.5 or later*
- Windows · Minimum*
- Memory
- 1 GB*
- Processor alternatives
- 1.6 GHz CPU*
Steam version platforms
- Windows*
- Supported
- Yes*
- macOS*
- Supported
- Yes*
- Linux*
- Supported
- Yes*
Interface languages
- English*
Game features
- Single-player*
- Steam Achievements*
- Stats*
- Family Sharing*
Store genres
- Indie*
- RPG*
Screenshots



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* Provisional data