Open-DoctrinesOfficial Open Doctrines repository 23 4NOASSERTION last commit 2026-08-07alternate-historycppdiscord-activityemscriptengamedevgrand-strategyhoi4indie-gamemap-editormoddable SourceAdd to my stackDiscuss Share:AboutA free, source-available grand strategy game — play in a browser, on desktop, or in a Discord call. 1641 provinces, six historical scenarios, a map editor and a WebAssembly mod SDK for thirteen languages.LanguagesC++66.1%Python10.2%C8.4%TypeScript4.7%Shell3.4%HTML1.1%CMake1.1%HolyC1%Java0.7%Rust0.7%Go0.6%Zig0.6%Pawn0.5%JavaScript0.4%PowerShell0.2%CSS0.1%Lua0.1%WebAssembly0.1%Ruby0%Kotlin0%Assembly0%Dockerfile0%Contributors29495FeaturesDiscussNo features listed.Comments ThemeGitHub LightGitHub Light High ContrastGitHub Light Protanopia & DeuteranopiaGitHub Light TritanopiaGitHub DarkGitHub Dark High ContrastGitHub Dark Protanopia & DeuteranopiaGitHub Dark TritanopiaGitHub Dark DimmedPreferred color schemeTransparent DarkNoBorder LightNoBorder DarkNoBorder GrayRStudio CobaltPurple DarkGruvboxGruvbox DarkGruvbox LightCatppuccin LatteCatppuccin FrappéCatppuccin MacchiatoCatppuccin MochaFroCustom (experimental)InstallBuild from sourceKeywordsalternate-historycppdiscord-activityemscriptengamedevgrand-strategyhoi4indie-gamemap-editormoddablemultiplayeropen-source-gameraylibsimulation-gamestrategy-gameturn-based-strategywargamewebassembly