Run a replacement for HITMAN game servers locally with Peacock Project instead of the original online service.
Peacock
The Peacock Project replaces servers for the HITMAN World of Assassination trilogy to preserve online play and add features.
About Peacock
Peacock is a server replacement for the HITMAN World of Assassination trilogy. Its primary purpose is preservation of the game, with added features, content, and enhancements usable while in online mode.
It is open source under the AGPL-3.0 license and requires local setup with Node.js and Yarn on Windows. It is not affiliated with IO Interactive, the owner of the game.
Key features
- Replaces servers for HITMAN World of Assassination trilogy
- Preserves game by maintaining online-mode functionality
- Adds new features, content and online-mode enhancements
- Supports localisation updates via locale.json workflow
- Accepts community contributions through fork pull requests
- Runs locally with Node.js and Yarn dependencies
Best for: Players and developers interested in preserving HITMAN World of Assassination trilogy online play with a community server.
Good for
- Open source under AGPL-3.0 license
- Focused on preservation of trilogy online play
- Allows added features and enhancements in online mode
Watch out for
- Requires manual setup using Node.js, cloning, and Yarn installation
- Prohibits contributions generated by AI tools
Peacock at a glance
- Category
- Gaming › Mods & Fan Projects
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Platforms
- Windows
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Peacock FAQ
What is Peacock?
A server replacement for the HITMAN World of Assassination trilogy focused on preservation, with added features and online-mode enhancements.
How do I install it from source?
Install Node.js version 22.9.0, clone the repository, open Windows Terminal as administrator, run corepack enable, then run yarn install in the project folder.
Can I contribute AI-generated code?
No. Content generated in part or full by large language models or other generative AI tools is not allowed, and the repositories may not be used to train AI tools.
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