diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index f6d1f7a..0fa847b 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -99,7 +99,7 @@ transcript excerpt — behaviour changes are hard to review from a diff alone.
Use the issue templates. For anything security-related, follow
[SECURITY.md](SECURITY.md) instead of opening a public issue.
-## License
+## Contribution terms
-By contributing you agree that your contributions are licensed under the
-[Apache License 2.0](LICENSE).
+No project-wide contribution license is currently specified. Discuss the terms
+with the maintainer before submitting code.
diff --git a/README.md b/README.md
index 454750f..5858097 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
**Give it a chemistry chapter. Get a playable lab.**
-An open-source studio where an AI agent turns a chemistry chapter into a real, playable
+A studio where an AI agent turns a chemistry chapter into a real, playable
simulation — and proves it's winnable before anyone plays it.
Built for school chemistry, classes 8–10.
@@ -17,7 +17,6 @@ Built for school chemistry, classes 8–10.
-
@@ -234,13 +233,23 @@ The areas most open to help right now:
Start with [CONTRIBUTING.md](CONTRIBUTING.md). Security issues go to
[SECURITY.md](SECURITY.md), not the public tracker.
-## License
+## Copyright and third-party notices
-[Apache License 2.0](LICENSE) © 2026 Rishabh Singh.
+© 2026 Rishabh Singh.
+
+No project-wide license is offered for this revision. Previously licensed copies
+retain the permissions granted under their original terms. Third-party components
+remain subject to their own licenses.
+
+Third-party attributions are retained in [`game-engine/NOTICE`](game-engine/NOTICE).
+The Apache 2.0 terms for Vercel-derived scaffolding are retained separately in
+[`third-party/APACHE-2.0.txt`](third-party/APACHE-2.0.txt).
The rule-engine pattern in `@learn-loop/core` is adapted from the MIT-licensed
[chem_lab](https://github.com/nsriram/chem_lab); see
-[`NOTICE`](game-engine/packages/learn-loop-core/NOTICE) for the full attribution.
+[`NOTICE`](game-engine/packages/learn-loop-core/NOTICE) for the full attribution and
+[`LICENSE-chem_lab.txt`](game-engine/packages/learn-loop-core/LICENSE-chem_lab.txt)
+for its MIT terms.
The studio UI is ported from Vercel's `v0-clone` example onto shadcn/ui.
diff --git a/game-engine/LICENSE b/game-engine/LICENSE
deleted file mode 100644
index b49da12..0000000
--- a/game-engine/LICENSE
+++ /dev/null
@@ -1,202 +0,0 @@
- Apache License
- Version 2.0, January 2004
- http://www.apache.org/licenses/
-
- TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
-
- 1. Definitions.
-
- "License" shall mean the terms and conditions for use, reproduction,
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- the copyright owner that is granting the License.
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- "Legal Entity" shall mean the union of the acting entity and all
- other entities that control, are controlled by, or are under common
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- direction or management of such entity, whether by contract or
- otherwise, or (ii) ownership of fifty percent (50%) or more of the
- outstanding shares, or (iii) beneficial ownership of such entity.
-
- "You" (or "Your") shall mean an individual or Legal Entity
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- including but not limited to software source code, documentation
- source, and configuration files.
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- "Work" shall mean the work of authorship, whether in Source or
- Object form, made available under the License, as indicated by a
- copyright notice that is included in or attached to the work
- (an example is provided in the Appendix below).
-
- "Derivative Works" shall mean any work, whether in Source or Object
- form, that is based on (or derived from) the Work and for which the
- editorial revisions, annotations, elaborations, or other modifications
- represent, as a whole, an original work of authorship. For the purposes
- of this License, Derivative Works shall not include works that remain
- separable from, or merely link (or bind by name) to the interfaces of,
- the Work and Derivative Works thereof.
-
- "Contribution" shall mean any work of authorship, including
- the original version of the Work and any modifications or additions
- to that Work or Derivative Works thereof, that is intentionally
- submitted to Licensor for inclusion in the Work by the copyright owner
- or by an individual or Legal Entity authorized to submit on behalf of
- the copyright owner. For the purposes of this definition, "submitted"
- means any form of electronic, verbal, or written communication sent
- to the Licensor or its representatives, including but not limited to
- communication on electronic mailing lists, source code control systems,
- and issue tracking systems that are managed by, or on behalf of, the
- Licensor for the purpose of discussing and improving the Work, but
- excluding communication that is conspicuously marked or otherwise
- designated in writing by the copyright owner as "Not a Contribution."
-
- "Contributor" shall mean Licensor and any individual or Legal Entity
- on behalf of whom a Contribution has been received by Licensor and
- subsequently incorporated within the Work.
-
- 2. Grant of Copyright License. Subject to the terms and conditions of
- this License, each Contributor hereby grants to You a perpetual,
- worldwide, non-exclusive, no-charge, royalty-free, irrevocable
- copyright license to reproduce, prepare Derivative Works of,
- publicly display, publicly perform, sublicense, and distribute the
- Work and such Derivative Works in Source or Object form.
-
- 3. Grant of Patent License. Subject to the terms and conditions of
- this License, each Contributor hereby grants to You a perpetual,
- worldwide, non-exclusive, no-charge, royalty-free, irrevocable
- (except as stated in this section) patent license to make, have made,
- use, offer to sell, sell, import, and otherwise transfer the Work,
- where such license applies only to those patent claims licensable
- by such Contributor that are necessarily infringed by their
- Contribution(s) alone or by combination of their Contribution(s)
- with the Work to which such Contribution(s) was submitted. If You
- institute patent litigation against any entity (including a
- cross-claim or counterclaim in a lawsuit) alleging that the Work
- or a Contribution incorporated within the Work constitutes direct
- or contributory patent infringement, then any patent licenses
- granted to You under this License for that Work shall terminate
- as of the date such litigation is filed.
-
- 4. Redistribution. You may reproduce and distribute copies of the
- Work or Derivative Works thereof in any medium, with or without
- modifications, and in Source or Object form, provided that You
- meet the following conditions:
-
- (a) You must give any other recipients of the Work or
- Derivative Works a copy of this License; and
-
- (b) You must cause any modified files to carry prominent notices
- stating that You changed the files; and
-
- (c) You must retain, in the Source form of any Derivative Works
- that You distribute, all copyright, patent, trademark, and
- attribution notices from the Source form of the Work,
- excluding those notices that do not pertain to any part of
- the Derivative Works; and
-
- (d) If the Work includes a "NOTICE" text file as part of its
- distribution, then any Derivative Works that You distribute must
- include a readable copy of the attribution notices contained
- within such NOTICE file, excluding those notices that do not
- pertain to any part of the Derivative Works, in at least one
- of the following places: within a NOTICE text file distributed
- as part of the Derivative Works; within the Source form or
- documentation, if provided along with the Derivative Works; or,
- within a display generated by the Derivative Works, if and
- wherever such third-party notices normally appear. The contents
- of the NOTICE file are for informational purposes only and
- do not modify the License. You may add Your own attribution
- notices within Derivative Works that You distribute, alongside
- or as an addendum to the NOTICE text from the Work, provided
- that such additional attribution notices cannot be construed
- as modifying the License.
-
- You may add Your own copyright statement to Your modifications and
- may provide additional or different license terms and conditions
- for use, reproduction, or distribution of Your modifications, or
- for any such Derivative Works as a whole, provided Your use,
- reproduction, and distribution of the Work otherwise complies with
- the conditions stated in this License.
-
- 5. Submission of Contributions. Unless You explicitly state otherwise,
- any Contribution intentionally submitted for inclusion in the Work
- by You to the Licensor shall be under the terms and conditions of
- this License, without any additional terms or conditions.
- Notwithstanding the above, nothing herein shall supersede or modify
- the terms of any separate license agreement you may have executed
- with Licensor regarding such Contributions.
-
- 6. Trademarks. This License does not grant permission to use the trade
- names, trademarks, service marks, or product names of the Licensor,
- except as required for reasonable and customary use in describing the
- origin of the Work and reproducing the content of the NOTICE file.
-
- 7. Disclaimer of Warranty. Unless required by applicable law or
- agreed to in writing, Licensor provides the Work (and each
- Contributor provides its Contributions) on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
- implied, including, without limitation, any warranties or conditions
- of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
- PARTICULAR PURPOSE. You are solely responsible for determining the
- appropriateness of using or redistributing the Work and assume any
- risks associated with Your exercise of permissions under this License.
-
- 8. Limitation of Liability. In no event and under no legal theory,
- whether in tort (including negligence), contract, or otherwise,
- unless required by applicable law (such as deliberate and grossly
- negligent acts) or agreed to in writing, shall any Contributor be
- liable to You for damages, including any direct, indirect, special,
- incidental, or consequential damages of any character arising as a
- result of this License or out of the use or inability to use the
- Work (including but not limited to damages for loss of goodwill,
- work stoppage, computer failure or malfunction, or any and all
- other commercial damages or losses), even if such Contributor
- has been advised of the possibility of such damages.
-
- 9. Accepting Warranty or Additional Liability. While redistributing
- the Work or Derivative Works thereof, You may choose to offer,
- and charge a fee for, acceptance of support, warranty, indemnity,
- or other liability obligations and/or rights consistent with this
- License. However, in accepting such obligations, You may act only
- on Your own behalf and on Your sole responsibility, not on behalf
- of any other Contributor, and only if You agree to indemnify,
- defend, and hold each Contributor harmless for any liability
- incurred by, or claims asserted against, such Contributor by reason
- of your accepting any such warranty or additional liability.
-
- END OF TERMS AND CONDITIONS
-
- APPENDIX: How to apply the Apache License to your work.
-
- To apply the Apache License to your work, attach the following
- boilerplate notice, with the fields enclosed by brackets "[]"
- replaced with your own identifying information. (Don't include
- the brackets!) The text should be enclosed in the appropriate
- comment syntax for the file format. We also recommend that a
- file or class name and description of purpose be included on the
- same "printed page" as the copyright notice for easier
- identification within third-party archives.
-
- Copyright 2026 Rishabh Singh
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-
diff --git a/game-engine/games/chemistry-lab-bench/package.json b/game-engine/games/chemistry-lab-bench/package.json
index 50f1b1b..c4eda9a 100644
--- a/game-engine/games/chemistry-lab-bench/package.json
+++ b/game-engine/games/chemistry-lab-bench/package.json
@@ -1,7 +1,6 @@
{
"name": "@lessonplay/chemistry-lab-template",
"version": "0.1.0",
- "license": "Apache-2.0",
"private": true,
"type": "module",
"lessonplay": {
diff --git a/game-engine/package-lock.json b/game-engine/package-lock.json
index 0725995..4391ea0 100644
--- a/game-engine/package-lock.json
+++ b/game-engine/package-lock.json
@@ -7,7 +7,6 @@
"": {
"name": "lessonplay-game-engine",
"version": "0.0.0",
- "license": "Apache-2.0",
"workspaces": [
"packages/*",
"games/chemistry-lab-bench"
@@ -19,7 +18,6 @@
"games/chemistry-lab-bench": {
"name": "@lessonplay/chemistry-lab-template",
"version": "0.1.0",
- "license": "Apache-2.0",
"dependencies": {
"@learn-loop/core": "0.1.0",
"react": "^19.0.0",
@@ -2722,7 +2720,6 @@
"packages/learn-loop-core": {
"name": "@learn-loop/core",
"version": "0.1.0",
- "license": "Apache-2.0",
"devDependencies": {
"@testing-library/jest-dom": "^6.6.3",
"@testing-library/react": "^16.1.0",
diff --git a/game-engine/package.json b/game-engine/package.json
index c695a23..8cf9961 100644
--- a/game-engine/package.json
+++ b/game-engine/package.json
@@ -1,7 +1,6 @@
{
"name": "lessonplay-game-engine",
"version": "0.0.0",
- "license": "Apache-2.0",
"private": true,
"description": "Self-contained Learn Loop engine + reference template. Copied into the sandbox and installed there; not part of the web app's dependency graph.",
"scripts": {
diff --git a/game-engine/packages/learn-loop-core/LICENSE-chem_lab.txt b/game-engine/packages/learn-loop-core/LICENSE-chem_lab.txt
new file mode 100644
index 0000000..18fa8df
--- /dev/null
+++ b/game-engine/packages/learn-loop-core/LICENSE-chem_lab.txt
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 nsriram
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, 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 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.
\ No newline at end of file
diff --git a/game-engine/packages/learn-loop-core/package.json b/game-engine/packages/learn-loop-core/package.json
index fcfaaa5..31302e6 100644
--- a/game-engine/packages/learn-loop-core/package.json
+++ b/game-engine/packages/learn-loop-core/package.json
@@ -1,7 +1,6 @@
{
"name": "@learn-loop/core",
"version": "0.1.0",
- "license": "Apache-2.0",
"private": true,
"type": "module",
"description": "Domain-agnostic 'guided-sim' learning-game engine: the Predict → Observe → Explain loop, a first-match-wins rule engine with declarative transforms, a scenario validator, the session reducer, tap-gating, stage geometry, and (opt-in) React UI shells. Consumed source-only by member games via the workspace; not built to dist or published.",
diff --git a/package.json b/package.json
index 0ab65b4..f24f395 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,6 @@
"version": "0.1.0",
"private": true,
"description": "Give it a chemistry chapter. Get a playable lab. An AI studio that writes, validates, and publishes playable chemistry games for classes 8-10.",
- "license": "Apache-2.0",
"author": "Rishabh Singh",
"homepage": "https://github.com/builtbyrishabh/lessonplay#readme",
"repository": {
diff --git a/LICENSE b/third-party/APACHE-2.0.txt
similarity index 89%
rename from LICENSE
rename to third-party/APACHE-2.0.txt
index b49da12..66a27ec 100644
--- a/LICENSE
+++ b/third-party/APACHE-2.0.txt
@@ -175,28 +175,3 @@
END OF TERMS AND CONDITIONS
- APPENDIX: How to apply the Apache License to your work.
-
- To apply the Apache License to your work, attach the following
- boilerplate notice, with the fields enclosed by brackets "[]"
- replaced with your own identifying information. (Don't include
- the brackets!) The text should be enclosed in the appropriate
- comment syntax for the file format. We also recommend that a
- file or class name and description of purpose be included on the
- same "printed page" as the copyright notice for easier
- identification within third-party archives.
-
- Copyright 2026 Rishabh Singh
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-