45 × 45 Together Original work: 2025 by Thomas Colthurst https://thomaswc.com/2025.html The original puzzle is released under the Creative Commons Attribution-ShareAlike 4.0 International License (CC BY-SA 4.0): https://creativecommons.org/licenses/by-sa/4.0/ Legal code: https://creativecommons.org/licenses/by-sa/4.0/legalcode.en This adaptation preserves the original 45 active categories and the first 45 clues in each category, as used by the original program (2,025 clues total), including original spelling. Unused extra entries in the original source are not puzzle clues. Changes: cooperative room links, in-memory shared progress, server-validated pairwise merges, conflict handling, fixed-grid spatial navigation, anonymous explorer cursors and viewports, a connection trail, and responsive presentation. The /45x45 adaptation (HTML, CSS, JavaScript, puzzle data, and game-specific server implementation) is made available under the same CC BY-SA 4.0 license. This notice does not relicense unrelated Acorn Playground code. You may share and adapt this work, including commercially, provided you give appropriate credit, link to the license, indicate changes, and distribute your adaptations under the same license. No additional legal or technological restrictions may be imposed. No warranties are given. The linked legal code contains the full license terms.