Gnosis Game License

Copyright (c) 2008-2026 Gnosis Engine Team

1. Definitions

• Software: The Gnosis Engine Core Library.
• Non-Commercial Game: A game that is distributed without charge and does not generate revenue.
• Open Source Game: A game whose source code is publicly available under an open source license.
• Commercial Game: Any game that is not a Non-Commercial Game or Open Source Game, including but not limited to:
  • Games with in-app purchases (IAP)
  • Games with ad-based revenue (IAA)
  • Games with transaction fees or commissions
  • Games that generate revenue through any form of monetization
• Player Donation: Voluntary gifts from players that do not provide any in-game advantages or rewards.
• UGC Content: User-Generated Content including but not limited to mods, custom maps, custom assets, and third-party launchers.
• Plugin: Software extensions developed based on the Gnosis Engine API.

1.1 License Scope

• This License applies to:
  • The Software itself
  • Games developed using the Software (including game DLC)
  • Plugins developed based on the Gnosis Engine API
• This License does not extend to or infect UGC Content. User-created mods, launchers, and other UGC Content are not subject to this License.
• Plugins and derivatives may add additional license terms, but may not contradict this License.
• License version is determined by the published versions, including the NuGet release version; for GitHub, it corresponds to the commit.

2. License Grants

a) Non-Commercial Games

Permission is hereby granted, free of charge, to any person obtaining a copy of the Software to use, copy, modify, merge, publish, distribute, and/or sublicense the Software for the development and distribution of Non-Commercial Games, subject to the following conditions:

• The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
• Redistributions of the Software must retain this license notice.

b) Open Source Games

Permission is hereby granted, free of charge, to any person obtaining a copy of the Software to use, copy, modify, merge, publish, distribute, and/or sublicense the Software for the development and distribution of Open Source Games, subject to the following conditions:

• The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
• The game's source code must be publicly available under an open source license.
• Redistributions of the Software must retain this license notice.

c) Commercial Games

Permission to use the Software for Commercial Games is strictly prohibited without prior written permission from the Gnosis Engine Team.

3. Disclaimer of Warranty

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

4. Termination

The rights granted under this License will terminate automatically if You fail to comply with any of its terms.

5. Commercial License

Commercial use of the Software, including commercial games and commercial plugins, requires prior written permission from the Gnosis Engine Team.

6. Governing Law

This License shall be governed by and construed in accordance with the laws of the jurisdiction where the Gnosis Engine Team is based, without regard to its conflict-of-law provisions.

7. Disclaimer

This License applies only to the open source version of the Software. Commercial versions may have different terms and conditions.