License

Creative Commons BY-NC-SA 4.0 International

Overview

Eureka is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

Copyright © 2025 Neumann's Workshop, LLC
All rights reserved under the terms of this license.

You Are Free To

  • Share - Copy and redistribute the game in any medium or format
  • Adapt - Remix, transform, and build upon the game

Under These Terms

Attribution (BY)
You must give appropriate credit to Neumann's Workshop, LLC, provide a link to the license, and indicate if changes were made. Credit should include:
NonCommercial (NC)
You may not use the game for commercial purposes. This includes:
  • Selling the game or access to it
  • Running as part of a paid service
  • Displaying ads for profit
  • Using for commercial promotion

For commercial licensing, contact: [email protected]

ShareAlike (SA)
If you remix, transform, or build upon the game, you must distribute your contributions under the same CC BY-NC-SA 4.0 license.

Acceptable Uses

✓ Allowed:

  • Personal play and enjoyment
  • Educational use in schools/universities
  • Academic research and study
  • Hosting for friends/family
  • Contributing improvements back
  • Creating derivative games (with attribution)
  • Non-profit community events

✗ Prohibited (without permission):

  • Selling the game or charging for access
  • In-app purchases or monetization
  • Advertisement-supported deployments
  • Including in commercial platforms
  • Commercial courses using this code

Full License Text

View the complete license:
CC BY-NC-SA 4.0 Legal Code
LICENSE file on GitHub

Game Heritage

Eureka is inspired by the Eleusis family of games:

  • Eleusis (1956) - Robert Abbott
  • New Eleusis (1977) - Robert Abbott with Martin Gardner
  • Eleusis Express (2006) - John Golden

This implementation includes original mechanics, rules, AI systems, and visual design by Neumann's Workshop, LLC.