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Developer Builds AI Tool to Automatically Patch 'Walking Dead' States in Sierra Adventure Games

A developer has unveiled Lucasartsifier, a static analysis tool that automatically detects and patches unwinnable states in classic Sierra games, using Anthropic's Claude.

The tool decompiles Sierra resource files, statically analyzes them for unwinnable states, generates code to prevent players from entering those states, and emits loose patch files that can be placed alongside the original game resources. According to the post, no game-specific code is involved; the logic is generic, though each new supported game requires engine work because Sierra introduced new idioms and mechanics in every title.

As an example, in Leisure Suit Larry 2, the patched game prevents the player from boarding a cruise ship until both the sunscreen and the Grotesque Gulp are obtained, avoiding a death on a raft three play-hours later. The tool currently works on Leisure Suit Larry 2 (SCI0), King's Quest 4 (SCI0), King's Quest 6 (SCI1.1), and Laura Bow 2 (SCI1.1), with the developer currently working on King's Quest 5 (SCI1.0).

The developer said the work was done with Claude, an AI model by Anthropic, and that they handled design and playtesting while the model did the rest. They also asked for feedback, play testing, and suggestions.