{"adoption": {"forks": 120, "observed_at": "2026-08-28T04:07:18.480675+00:00", "stars": 2761}, "canonical_url": "https://ross.abutalabs.com/products/permafrost-engine", "card": {"archived": false, "artifact_type": "framework", "description": "An OpenGL RTS game engine written in C", "domain": ["graphics", "simulation"], "enriched": true, "function": ["game-engine", "graphics", "simulation", "gui", "plugin-system"], "health_score": 80, "homepage": null, "language": "C", "license": "GPL-3.0", "license_family": "copyleft", "maturity": "active", "member_repos": ["eduard-permyakov/permafrost-engine"], "name": "eduard-permyakov/permafrost-engine", "platform": ["cpp", "c", "python", "cross-platform"], "pushed_at": "2026-08-26T21:07:34+00:00", "repo": "eduard-permyakov/permafrost-engine", "stars": 2761, "tags": ["opengl", "rts", "real-time-strategy", "pathfinding", "skeletal-animation", "python-scripting", "nuklear", "game-development", "desktop"], "topics": ["opengl", "rendering-3d-graphics", "game-engine-3d", "game-engine", "c", "python", "rts", "rts-engine", "real-time-strategy"], "urls": [], "use_cases": ["build a real-time strategy game in C", "engine with flow field pathfinding for large unit counts", "OpenGL 3.3 rendering engine with skeletal animation", "script game logic in Python", "RTS-style camera and formation-based unit movement", "render huge tile-based maps efficiently"], "what_it_is": "Permafrost Engine is an OpenGL 3.3 real-time strategy game engine written in C, inspired by classic RTS games. It provides rendering, skeletal animation, terrain, pathfinding, and a Python 2.7 scripting interface with an embedded console.", "when_to_avoid": ["you need a general-purpose engine for genres other than RTS", "you want modern high-level tooling like Unity or Godot", "you require Python 3 scripting rather than Python 2.7", "you need cross-platform console or mobile targets"], "when_to_choose": ["you want to build an RTS game in the style of classics like Age of Empires", "you need hierarchical flow field pathfinding and collision avoidance for many units", "you prefer a C codebase with Python scripting", "you want a built-in map/scene editor and UI framework"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/permafrost-engine", "repo": "eduard-permyakov/permafrost-engine", "role": "main", "score": 77}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:07:18.480675+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T08:18:44.173715+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d005b8c232f363b3d43eda6451d665bcc7557520387fda88cd38baea4511c10f", "fetched_at": "2026-08-28T04:07:18.480675+00:00", "kind": "readme", "missing": false, "url": "https://github.com/eduard-permyakov/permafrost-engine"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:07:18.480675+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T08:18:44.173715+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d005b8c232f363b3d43eda6451d665bcc7557520387fda88cd38baea4511c10f", "fetched_at": "2026-08-28T04:07:18.480675+00:00", "kind": "readme", "missing": false, "url": "https://github.com/eduard-permyakov/permafrost-engine"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T08:18:44.173715+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d005b8c232f363b3d43eda6451d665bcc7557520387fda88cd38baea4511c10f", "fetched_at": "2026-08-28T04:07:18.480675+00:00", "kind": "readme", "missing": false, "url": "https://github.com/eduard-permyakov/permafrost-engine"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:07:18.480675+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:07:18.480675+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:07:18.480675+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T08:18:44.173715+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d005b8c232f363b3d43eda6451d665bcc7557520387fda88cd38baea4511c10f", "fetched_at": "2026-08-28T04:07:18.480675+00:00", "kind": "readme", "missing": false, "url": "https://github.com/eduard-permyakov/permafrost-engine"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:07:18.480675+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:07:18.480675+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T08:18:44.173715+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d005b8c232f363b3d43eda6451d665bcc7557520387fda88cd38baea4511c10f", "fetched_at": "2026-08-28T04:07:18.480675+00:00", "kind": "readme", "missing": false, "url": "https://github.com/eduard-permyakov/permafrost-engine"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:07:18.480675+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:07:18.480675+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:07:18.480675+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T08:18:44.173715+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d005b8c232f363b3d43eda6451d665bcc7557520387fda88cd38baea4511c10f", "fetched_at": "2026-08-28T04:07:18.480675+00:00", "kind": "readme", "missing": false, "url": "https://github.com/eduard-permyakov/permafrost-engine"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:07:18.480675+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:07:18.480675+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T08:18:44.173715+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d005b8c232f363b3d43eda6451d665bcc7557520387fda88cd38baea4511c10f", "fetched_at": "2026-08-28T04:07:18.480675+00:00", "kind": "readme", "missing": false, "url": "https://github.com/eduard-permyakov/permafrost-engine"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T08:18:44.173715+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d005b8c232f363b3d43eda6451d665bcc7557520387fda88cd38baea4511c10f", "fetched_at": "2026-08-28T04:07:18.480675+00:00", "kind": "readme", "missing": false, "url": "https://github.com/eduard-permyakov/permafrost-engine"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T08:18:44.173715+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d005b8c232f363b3d43eda6451d665bcc7557520387fda88cd38baea4511c10f", "fetched_at": "2026-08-28T04:07:18.480675+00:00", "kind": "readme", "missing": false, "url": "https://github.com/eduard-permyakov/permafrost-engine"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T08:18:44.173715+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d005b8c232f363b3d43eda6451d665bcc7557520387fda88cd38baea4511c10f", "fetched_at": "2026-08-28T04:07:18.480675+00:00", "kind": "readme", "missing": false, "url": "https://github.com/eduard-permyakov/permafrost-engine"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": ["no_releases"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 3168, "days_push": 7, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 77, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}