inform6
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Description:
Design system for interactive fiction
Type: Formula  |  Latest Version: 6.44-r3@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: interactive-fiction game-development compiler z-machine text-adventure
Install: brew install inform6
About:
Inform 6 is a compiler that creates interactive fiction story files from source code. It is the classic tool for writing text adventures in the Z-machine format, enabling creators to build complex parser-based games. Its primary value is in compiling narrative logic and world simulation into portable executable files.
Key Features:
  • Compiles Inform source code to Z-machine story files
  • Supports both Z-code and Glulx targets
  • Highly configurable compiler settings and memory management
  • Backwards compatible with classic Inform libraries
Use Cases:
  • Developing classic text adventure games (interactive fiction)
  • Compiling legacy interactive fiction projects
  • Learning the fundamentals of parser-based game design
Alternatives:
  • inform7 – Inform 7 is a natural language-based successor, while Inform 6 uses a C-like syntax preferred by some authors for precision.
  • tads3 – TADS 3 is an alternative authoring system that offers a different object-oriented syntax and runtime feature set.
Version History
Detected Version Rev Change Commit
Jan 20, 2026 8:28pm 6.44-r3 0 VERSION_BUMP 0e2461ac
Jan 1, 2026 2:07pm 6.44-r1 0 VERSION_BUMP 73c8eb86
Dec 31, 2025 11:07am 6.43-r2 0 VERSION_BUMP 37535913
Dec 28, 2025 11:03am 6.43-r1 0 VERSION_BUMP 7a57921f
Sep 12, 2025 12:25pm 6.42-r9 0 VERSION_BUMP 4161a6a6
Nov 20, 2024 6:41pm 6.42-r6 0 VERSION_BUMP 77b925a4
Sep 14, 2024 8:57am 6.42-r4 0 VERSION_BUMP 0d34a24d