{"adoption": {"forks": 184, "observed_at": "2026-08-28T04:06:51.449690+00:00", "stars": 2437}, "canonical_url": "https://ross.abutalabs.com/products/crown", "card": {"archived": false, "artifact_type": "application", "description": "A complete and cross-platform game engine designed for flexibility, performance and fast iteration.", "domain": ["cross-platform", "graphics"], "enriched": true, "function": ["game-engine", "gui", "graphics", "simulation"], "health_score": 100, "homepage": "https://www.crownengine.org", "language": "C++", "license": "NOASSERTION", "license_family": "other", "maturity": "active", "member_repos": ["crownengine/crown"], "name": "crownengine/crown", "platform": ["windows", "browser", "cpp", "lua"], "pushed_at": "2026-08-26T20:57:00+00:00", "repo": "crownengine/crown", "stars": 2437, "tags": ["2d", "3d", "data-oriented-design", "hot-reload", "level-editor", "lua-scripting", "html5-export", "open-source-engine", "game-development", "linux", "macos", "android"], "topics": ["game-development", "game-engine", "gamedev", "data-oriented-design", "data-driven", "lua", "2d", "3d"], "urls": [], "use_cases": ["build a 2d or 3d game with an open-source engine", "game engine with fast hot-reload iteration", "cross-platform game engine that exports to html5 and android", "script game logic in lua with a live repl", "self-contained game engine with no account or internet required", "hackable game engine with text-based project files"], "what_it_is": "Crown is a complete, cross-platform, open-source game engine written in C++ with Lua scripting, featuring a full level editor, asset pipeline, and sub-second hot-reload for fast iteration. It targets Linux, Windows, Android, and HTML5 with a performance-first, data-oriented runtime.", "when_to_avoid": ["you need console (PlayStation/Xbox/Switch) export", "you rely on a huge asset store or large community ecosystem", "you want a visual scripting-first workflow rather than Lua/C++ coding", "you need extensive third-party plugin support"], "when_to_choose": ["you want a free, permissively licensed engine with a complete editor and deployers", "fast iteration matters - everything hot-reloads in under a second", "you need to ship to desktop, Android, and HTML5 from one codebase", "you prefer data-oriented design and a simple, hackable runtime"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/crown", "repo": "crownengine/crown", "role": "main", "score": 99}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:06:51.449690+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T02:30:59.734405+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "964247bc54bdff2680f4212348520fcce4af6f803bc5134f4d94bf527781cdd4", "fetched_at": "2026-08-28T04:06:51.449690+00:00", "kind": "readme", "missing": false, "url": "https://github.com/crownengine/crown"}, {"content_hash": "983079d55177bfd95b18f113a00a26e9279fd956f5a210b48d077f32a57952e4", "fetched_at": "2026-08-29T10:12:20.098289+00:00", "kind": "homepage", "missing": false, "url": "https://www.crownengine.org"}, {"content_hash": "c39b0d68fdfb6455bb87c3d39b6f3edbda8ac950bf0ea8508097e5847342bcf0", "fetched_at": "2026-08-29T10:12:20.100795+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/about"}, {"content_hash": "1131f260ad83c43b845f4739d022f62ac37b46ea8160a4590da76bb6eb314dc7", "fetched_at": "2026-08-29T10:12:20.102734+00:00", "kind": "site_page", "missing": false, "url": "https://docs.crownengine.org/html/latest/changelog.html"}, {"content_hash": "0deb8dcc40ff69cc6b59242ac8e7103a203dca9ae2c2d12106eb7c111703ce9d", "fetched_at": "2026-08-29T10:12:20.106219+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/about/credits"}, {"content_hash": "be7739b378dc12a23cace9c3b2fa55c1f3c531be03397f0b82ddbce271424f13", "fetched_at": "2026-08-29T10:12:20.108034+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/website-about"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:06:51.449690+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T02:30:59.734405+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "964247bc54bdff2680f4212348520fcce4af6f803bc5134f4d94bf527781cdd4", "fetched_at": "2026-08-28T04:06:51.449690+00:00", "kind": "readme", "missing": false, "url": "https://github.com/crownengine/crown"}, {"content_hash": "983079d55177bfd95b18f113a00a26e9279fd956f5a210b48d077f32a57952e4", "fetched_at": "2026-08-29T10:12:20.098289+00:00", "kind": "homepage", "missing": false, "url": "https://www.crownengine.org"}, {"content_hash": "c39b0d68fdfb6455bb87c3d39b6f3edbda8ac950bf0ea8508097e5847342bcf0", "fetched_at": "2026-08-29T10:12:20.100795+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/about"}, {"content_hash": "1131f260ad83c43b845f4739d022f62ac37b46ea8160a4590da76bb6eb314dc7", "fetched_at": "2026-08-29T10:12:20.102734+00:00", "kind": "site_page", "missing": false, "url": "https://docs.crownengine.org/html/latest/changelog.html"}, {"content_hash": "0deb8dcc40ff69cc6b59242ac8e7103a203dca9ae2c2d12106eb7c111703ce9d", "fetched_at": "2026-08-29T10:12:20.106219+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/about/credits"}, {"content_hash": "be7739b378dc12a23cace9c3b2fa55c1f3c531be03397f0b82ddbce271424f13", "fetched_at": "2026-08-29T10:12:20.108034+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/website-about"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T02:30:59.734405+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "964247bc54bdff2680f4212348520fcce4af6f803bc5134f4d94bf527781cdd4", "fetched_at": "2026-08-28T04:06:51.449690+00:00", "kind": "readme", "missing": false, "url": "https://github.com/crownengine/crown"}, {"content_hash": "983079d55177bfd95b18f113a00a26e9279fd956f5a210b48d077f32a57952e4", "fetched_at": "2026-08-29T10:12:20.098289+00:00", "kind": "homepage", "missing": false, "url": "https://www.crownengine.org"}, {"content_hash": "c39b0d68fdfb6455bb87c3d39b6f3edbda8ac950bf0ea8508097e5847342bcf0", "fetched_at": "2026-08-29T10:12:20.100795+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/about"}, {"content_hash": "1131f260ad83c43b845f4739d022f62ac37b46ea8160a4590da76bb6eb314dc7", "fetched_at": "2026-08-29T10:12:20.102734+00:00", "kind": "site_page", "missing": false, "url": "https://docs.crownengine.org/html/latest/changelog.html"}, {"content_hash": "0deb8dcc40ff69cc6b59242ac8e7103a203dca9ae2c2d12106eb7c111703ce9d", "fetched_at": "2026-08-29T10:12:20.106219+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/about/credits"}, {"content_hash": "be7739b378dc12a23cace9c3b2fa55c1f3c531be03397f0b82ddbce271424f13", "fetched_at": "2026-08-29T10:12:20.108034+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/website-about"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:06:51.449690+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:06:51.449690+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:06:51.449690+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T02:30:59.734405+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "964247bc54bdff2680f4212348520fcce4af6f803bc5134f4d94bf527781cdd4", "fetched_at": "2026-08-28T04:06:51.449690+00:00", "kind": "readme", "missing": false, "url": "https://github.com/crownengine/crown"}, {"content_hash": "983079d55177bfd95b18f113a00a26e9279fd956f5a210b48d077f32a57952e4", "fetched_at": "2026-08-29T10:12:20.098289+00:00", "kind": "homepage", "missing": false, "url": "https://www.crownengine.org"}, {"content_hash": "c39b0d68fdfb6455bb87c3d39b6f3edbda8ac950bf0ea8508097e5847342bcf0", "fetched_at": "2026-08-29T10:12:20.100795+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/about"}, {"content_hash": "1131f260ad83c43b845f4739d022f62ac37b46ea8160a4590da76bb6eb314dc7", "fetched_at": "2026-08-29T10:12:20.102734+00:00", "kind": "site_page", "missing": false, "url": "https://docs.crownengine.org/html/latest/changelog.html"}, {"content_hash": "0deb8dcc40ff69cc6b59242ac8e7103a203dca9ae2c2d12106eb7c111703ce9d", "fetched_at": "2026-08-29T10:12:20.106219+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/about/credits"}, {"content_hash": "be7739b378dc12a23cace9c3b2fa55c1f3c531be03397f0b82ddbce271424f13", "fetched_at": "2026-08-29T10:12:20.108034+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/website-about"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:06:51.449690+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:06:51.449690+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T02:30:59.734405+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "964247bc54bdff2680f4212348520fcce4af6f803bc5134f4d94bf527781cdd4", "fetched_at": "2026-08-28T04:06:51.449690+00:00", "kind": "readme", "missing": false, "url": "https://github.com/crownengine/crown"}, {"content_hash": "983079d55177bfd95b18f113a00a26e9279fd956f5a210b48d077f32a57952e4", "fetched_at": "2026-08-29T10:12:20.098289+00:00", "kind": "homepage", "missing": false, "url": "https://www.crownengine.org"}, {"content_hash": "c39b0d68fdfb6455bb87c3d39b6f3edbda8ac950bf0ea8508097e5847342bcf0", "fetched_at": "2026-08-29T10:12:20.100795+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/about"}, {"content_hash": "1131f260ad83c43b845f4739d022f62ac37b46ea8160a4590da76bb6eb314dc7", "fetched_at": "2026-08-29T10:12:20.102734+00:00", "kind": "site_page", "missing": false, "url": "https://docs.crownengine.org/html/latest/changelog.html"}, {"content_hash": "0deb8dcc40ff69cc6b59242ac8e7103a203dca9ae2c2d12106eb7c111703ce9d", "fetched_at": "2026-08-29T10:12:20.106219+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/about/credits"}, {"content_hash": "be7739b378dc12a23cace9c3b2fa55c1f3c531be03397f0b82ddbce271424f13", "fetched_at": "2026-08-29T10:12:20.108034+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/website-about"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:06:51.449690+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:06:51.449690+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:06:51.449690+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T02:30:59.734405+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "964247bc54bdff2680f4212348520fcce4af6f803bc5134f4d94bf527781cdd4", "fetched_at": "2026-08-28T04:06:51.449690+00:00", "kind": "readme", "missing": false, "url": "https://github.com/crownengine/crown"}, {"content_hash": "983079d55177bfd95b18f113a00a26e9279fd956f5a210b48d077f32a57952e4", "fetched_at": "2026-08-29T10:12:20.098289+00:00", "kind": "homepage", "missing": false, "url": "https://www.crownengine.org"}, {"content_hash": "c39b0d68fdfb6455bb87c3d39b6f3edbda8ac950bf0ea8508097e5847342bcf0", "fetched_at": "2026-08-29T10:12:20.100795+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/about"}, {"content_hash": "1131f260ad83c43b845f4739d022f62ac37b46ea8160a4590da76bb6eb314dc7", "fetched_at": "2026-08-29T10:12:20.102734+00:00", "kind": "site_page", "missing": false, "url": "https://docs.crownengine.org/html/latest/changelog.html"}, {"content_hash": "0deb8dcc40ff69cc6b59242ac8e7103a203dca9ae2c2d12106eb7c111703ce9d", "fetched_at": "2026-08-29T10:12:20.106219+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/about/credits"}, {"content_hash": "be7739b378dc12a23cace9c3b2fa55c1f3c531be03397f0b82ddbce271424f13", "fetched_at": "2026-08-29T10:12:20.108034+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/website-about"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:06:51.449690+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:06:51.449690+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T02:30:59.734405+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "964247bc54bdff2680f4212348520fcce4af6f803bc5134f4d94bf527781cdd4", "fetched_at": "2026-08-28T04:06:51.449690+00:00", "kind": "readme", "missing": false, "url": "https://github.com/crownengine/crown"}, {"content_hash": "983079d55177bfd95b18f113a00a26e9279fd956f5a210b48d077f32a57952e4", "fetched_at": "2026-08-29T10:12:20.098289+00:00", "kind": "homepage", "missing": false, "url": "https://www.crownengine.org"}, {"content_hash": "c39b0d68fdfb6455bb87c3d39b6f3edbda8ac950bf0ea8508097e5847342bcf0", "fetched_at": "2026-08-29T10:12:20.100795+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/about"}, {"content_hash": "1131f260ad83c43b845f4739d022f62ac37b46ea8160a4590da76bb6eb314dc7", "fetched_at": "2026-08-29T10:12:20.102734+00:00", "kind": "site_page", "missing": false, "url": "https://docs.crownengine.org/html/latest/changelog.html"}, {"content_hash": "0deb8dcc40ff69cc6b59242ac8e7103a203dca9ae2c2d12106eb7c111703ce9d", "fetched_at": "2026-08-29T10:12:20.106219+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/about/credits"}, {"content_hash": "be7739b378dc12a23cace9c3b2fa55c1f3c531be03397f0b82ddbce271424f13", "fetched_at": "2026-08-29T10:12:20.108034+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/website-about"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T02:30:59.734405+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "964247bc54bdff2680f4212348520fcce4af6f803bc5134f4d94bf527781cdd4", "fetched_at": "2026-08-28T04:06:51.449690+00:00", "kind": "readme", "missing": false, "url": "https://github.com/crownengine/crown"}, {"content_hash": "983079d55177bfd95b18f113a00a26e9279fd956f5a210b48d077f32a57952e4", "fetched_at": "2026-08-29T10:12:20.098289+00:00", "kind": "homepage", "missing": false, "url": "https://www.crownengine.org"}, {"content_hash": "c39b0d68fdfb6455bb87c3d39b6f3edbda8ac950bf0ea8508097e5847342bcf0", "fetched_at": "2026-08-29T10:12:20.100795+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/about"}, {"content_hash": "1131f260ad83c43b845f4739d022f62ac37b46ea8160a4590da76bb6eb314dc7", "fetched_at": "2026-08-29T10:12:20.102734+00:00", "kind": "site_page", "missing": false, "url": "https://docs.crownengine.org/html/latest/changelog.html"}, {"content_hash": "0deb8dcc40ff69cc6b59242ac8e7103a203dca9ae2c2d12106eb7c111703ce9d", "fetched_at": "2026-08-29T10:12:20.106219+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/about/credits"}, {"content_hash": "be7739b378dc12a23cace9c3b2fa55c1f3c531be03397f0b82ddbce271424f13", "fetched_at": "2026-08-29T10:12:20.108034+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/website-about"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T02:30:59.734405+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "964247bc54bdff2680f4212348520fcce4af6f803bc5134f4d94bf527781cdd4", "fetched_at": "2026-08-28T04:06:51.449690+00:00", "kind": "readme", "missing": false, "url": "https://github.com/crownengine/crown"}, {"content_hash": "983079d55177bfd95b18f113a00a26e9279fd956f5a210b48d077f32a57952e4", "fetched_at": "2026-08-29T10:12:20.098289+00:00", "kind": "homepage", "missing": false, "url": "https://www.crownengine.org"}, {"content_hash": "c39b0d68fdfb6455bb87c3d39b6f3edbda8ac950bf0ea8508097e5847342bcf0", "fetched_at": "2026-08-29T10:12:20.100795+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/about"}, {"content_hash": "1131f260ad83c43b845f4739d022f62ac37b46ea8160a4590da76bb6eb314dc7", "fetched_at": "2026-08-29T10:12:20.102734+00:00", "kind": "site_page", "missing": false, "url": "https://docs.crownengine.org/html/latest/changelog.html"}, {"content_hash": "0deb8dcc40ff69cc6b59242ac8e7103a203dca9ae2c2d12106eb7c111703ce9d", "fetched_at": "2026-08-29T10:12:20.106219+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/about/credits"}, {"content_hash": "be7739b378dc12a23cace9c3b2fa55c1f3c531be03397f0b82ddbce271424f13", "fetched_at": "2026-08-29T10:12:20.108034+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/website-about"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T02:30:59.734405+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "964247bc54bdff2680f4212348520fcce4af6f803bc5134f4d94bf527781cdd4", "fetched_at": "2026-08-28T04:06:51.449690+00:00", "kind": "readme", "missing": false, "url": "https://github.com/crownengine/crown"}, {"content_hash": "983079d55177bfd95b18f113a00a26e9279fd956f5a210b48d077f32a57952e4", "fetched_at": "2026-08-29T10:12:20.098289+00:00", "kind": "homepage", "missing": false, "url": "https://www.crownengine.org"}, {"content_hash": "c39b0d68fdfb6455bb87c3d39b6f3edbda8ac950bf0ea8508097e5847342bcf0", "fetched_at": "2026-08-29T10:12:20.100795+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/about"}, {"content_hash": "1131f260ad83c43b845f4739d022f62ac37b46ea8160a4590da76bb6eb314dc7", "fetched_at": "2026-08-29T10:12:20.102734+00:00", "kind": "site_page", "missing": false, "url": "https://docs.crownengine.org/html/latest/changelog.html"}, {"content_hash": "0deb8dcc40ff69cc6b59242ac8e7103a203dca9ae2c2d12106eb7c111703ce9d", "fetched_at": "2026-08-29T10:12:20.106219+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/about/credits"}, {"content_hash": "be7739b378dc12a23cace9c3b2fa55c1f3c531be03397f0b82ddbce271424f13", "fetched_at": "2026-08-29T10:12:20.108034+00:00", "kind": "site_page", "missing": false, "url": "https://www.crownengine.org/website-about"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "longevity": 100, "rhythm": 99}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": ["no_license"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 5140, "days_push": 7, "days_rel": 10, "gap_med": 10, "n_releases_24m": 40}, "score": 99, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}