emulator: Jazz² Resurrection type: standalone + libretro core_classification: game_engine source: "https://github.com/deathkiller/jazz2-native" upstream: "https://github.com/deathkiller/jazz2-native" profiled_date: "2026-10-04" source_commit: "ff9ddb7be9c84bdcf71b22d9380da06135edeb62" core_version: "3.9.0" display_name: "Jazz Jackrabbit 2 (Jazz² Resurrection)" cores: [jazz2] systems: [jazz-jackrabbit-2] data_root: android: path: "Android/data/jazz2.resurrection/files" source_ref: "Sources/Jazz2/ContentResolver.cpp:426-477, Sources/Shared/IO/AndroidAssetStream.cpp:213-216, CMakeLists.txt:35, Sources/nCine/Backends/Android/Bridge/app/build.gradle.in:11" note: "with all-files access, the first of Games/Jazz² Resurrection, Games/Jazz2 Resurrection, Download/Jazz² Resurrection and Download/Jazz2 Resurrection on shared storage that holds Source, else the first one" ios: path: "Documents" source_ref: "Sources/Jazz2/ContentResolver.cpp:485-489, Sources/Jazz2/ContentResolver.cpp:757-758" windows: path: "" source_ref: "Sources/nCine/MainApplication.cpp:696-715, Sources/Jazz2/ContentResolver.cpp:243-244, Sources/Jazz2/ContentResolver.cpp:389-390" macos: path: "~/Library/Application Support/Jazz² Resurrection" source_ref: "Sources/Jazz2/ContentResolver.cpp:490-494, Sources/Shared/IO/FileSystem.cpp:1767-1792, Sources/Shared/IO/FileSystem.cpp:1724-1731" linux: path: "$XDG_DATA_HOME/jazz2, else ~/.local/share/jazz2" source_ref: "Sources/Jazz2/ContentResolver.cpp:495-571, Sources/Shared/IO/FileSystem.cpp:1933-1946, CMakeLists.txt:30, cmake/ncine_options.cmake:408-409" note: "the folder of the executable for a portable copy with Content beside it. $XDG_DATA_HOME/Jazz² Resurrection when it already holds Cache. The AppImage uses the folder of the .AppImage when its Source holds Anims.j2a" notes: | Open-source reimplementation of Jazz Jackrabbit 2 by Dan R. The engine ships its own Content/ tree (animations, metadata, translations) that sits next to the executable in a portable copy, or under /share// once installed. ref: Sources/Jazz2/ContentResolver.cpp:196-248 (GetContentPath per platform), Sources/Jazz2/ContentResolver.cpp:495-571 (Unix layouts) Original Jazz Jackrabbit 2 data is read from Source/ and converted on first launch into the engine's own formats under Cache/: Anims.j2a and Data.j2d into a package, then every .j2e, .j2l and the tilesets the levels name. Music and cinematics are read from Source/ as they are. ref: Sources/Jazz2/ContentResolver.cpp:364-393 (GetSourcePath), Sources/Main.cpp:2235-2299 (RefreshCache), Sources/Jazz2/Compatibility/AssetConverter.cpp:477-493, Sources/Jazz2/Compatibility/AssetConverter.cpp:642-768 Content/ is the engine runtime, shipped with the release package. Source/ holds the user's own copy of the 1998 game data. Without Anims.j2a (or the shareware AnimsSw.j2a) and without an existing cache the engine starts but is not playable. A Content/ tree prepared by the AssetPacker tool carries Prebaked.pak: the conversion is then skipped and Source/ is not read. ref: Sources/Main.cpp:2147-2153, Sources/Jazz2/ContentResolver.cpp:738-746 On Android, Apple, Unix, UWP, Switch and Vita a Content/ directory next to Cache/ (next to Source/ on iOS) is searched before the shipped one, its .pak files first. ref: Sources/Jazz2/ContentResolver.cpp:748-787, Sources/Jazz2/ContentResolver.cpp:853-902 The libretro build looks for Content/ next to the loaded file, in the core assets directory or in /jazz2/, and for the original files in Source/ beside it, in the system directory itself or in /jazz2/Source/. ref: Sources/Main.cpp:286-374 files: # ================================================================ # Content/ (runtime data, shipped with each standalone release) # ================================================================ - name: "Animations/" type: directory category: game_data path: "jazz2/Content/Animations/" standalone_path: "Content/Animations/" mode: libretro required: true source_ref: "Sources/Jazz2/ContentResolver.cpp:1394, Sources/Jazz2/ContentResolver.cpp:1543, Sources/Jazz2/ContentResolver.cpp:3371-3372" note: "Native graphics, sounds and the UI fonts, opened through OpenContentFile. No libretro build is published with the release, so the tree is placed by hand." - name: "Animations/" type: directory category: game_data path: "jazz2/Content/Animations/" standalone_path: "Content/Animations/" mode: standalone bundled: true required: true source_ref: "Sources/Jazz2/ContentResolver.cpp:1394, Sources/Jazz2/ContentResolver.cpp:1543, Sources/Jazz2/ContentResolver.cpp:3371-3372" note: "Native graphics, sounds and the UI fonts, opened through OpenContentFile. Shipped beside the executable in the 3.8.0 Windows and Linux zips." - name: "Metadata/" type: directory category: game_data path: "jazz2/Content/Metadata/" standalone_path: "Content/Metadata/" mode: libretro required: true source_ref: "Sources/Jazz2/ContentResolver.cpp:1141" note: "Actor .res descriptors (Common, Enemy, Player, UI, Boss, ...). No libretro build is published with the release, so the tree is placed by hand." - name: "Metadata/" type: directory category: game_data path: "jazz2/Content/Metadata/" standalone_path: "Content/Metadata/" mode: standalone bundled: true required: true source_ref: "Sources/Jazz2/ContentResolver.cpp:1141" note: "Actor .res descriptors (Common, Enemy, Player, UI, Boss, ...). Shipped beside the executable in the 3.8.0 Windows and Linux zips." - name: "Translations/" type: directory category: game_data path: "jazz2/Content/Translations/" standalone_path: "Content/Translations/" mode: libretro required: false source_ref: "Sources/Main.cpp:2023-2031, Sources/Jazz2/UI/Menu/LanguageSelectSection.cpp:83-95" note: "Language .mo bundles, searched in the user Content/Translations/ and in Cache/Translations/ first. Built-in English is used when none is loaded. No libretro build is published with the release, so the tree is placed by hand." - name: "Translations/" type: directory category: game_data path: "jazz2/Content/Translations/" standalone_path: "Content/Translations/" mode: standalone bundled: true required: false source_ref: "Sources/Main.cpp:2023-2031, Sources/Jazz2/UI/Menu/LanguageSelectSection.cpp:83-95" note: "Language .mo bundles, searched in the user Content/Translations/ and in Cache/Translations/ first. Built-in English is used when none is loaded. Shipped beside the executable in the 3.8.0 Windows and Linux zips." # ================================================================ # Source/ (original Jazz Jackrabbit 2 data, user-supplied) # Converted into Cache/ on first launch. # ================================================================ - name: "Anims.j2a" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/Anims.j2a" standalone_path: "Source/Anims.j2a" required: true source_ref: "Sources/Main.cpp:2235-2251, Sources/Jazz2/Compatibility/AssetConverter.cpp:481-484" note: "Main animation archive. The cache cannot be created without it and the game is not flagged playable." - name: "AnimsSw.j2a" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/AnimsSw.j2a" standalone_path: "Source/AnimsSw.j2a" required: false source_ref: "Sources/Main.cpp:2238-2240" note: "Animation archive of the shareware demo, read when Anims.j2a is absent." - name: "Data.j2d" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/Data.j2d" standalone_path: "Source/Data.j2d" required: false source_ref: "Sources/Jazz2/Compatibility/AssetConverter.cpp:486-489" note: "Converted into the cache package when present." - name: "Plus.j2d" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/Plus.j2d" standalone_path: "Source/Plus.j2d" required: false source_ref: "Sources/Jazz2/Compatibility/AssetConverter.cpp:416-461, Sources/Jazz2/Compatibility/AssetConverter.cpp:614-617, Sources/Jazz2/Compatibility/JJ2Level.cpp:1115" note: "Data file of a JJ2+ installation. Read once a converted level names one of its TextureBG. textures. Without it a texture is made up for that layer." # Episode descriptors (.j2e) and level files (.j2l) are optional per # episode. Every one present in Source/ is converted. # ref: Sources/Jazz2/Compatibility/AssetConverter.cpp:642-768 - name: "prince.j2e" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/prince.j2e" standalone_path: "Source/prince.j2e" required: false source_ref: "Sources/Jazz2/Compatibility/AssetConverter.cpp:44-47, Sources/Jazz2/Compatibility/AssetConverter.cpp:518-551, Sources/Jazz2/Compatibility/AssetConverter.cpp:592-594, Sources/Jazz2/Compatibility/AssetConverter.cpp:642-671" note: "First episode of the chain prince, rescue, flash, monk." - name: "rescue.j2e" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/rescue.j2e" standalone_path: "Source/rescue.j2e" required: false source_ref: "Sources/Jazz2/Compatibility/AssetConverter.cpp:44-47, Sources/Jazz2/Compatibility/AssetConverter.cpp:518-551, Sources/Jazz2/Compatibility/AssetConverter.cpp:595-596, Sources/Jazz2/Compatibility/AssetConverter.cpp:642-671" note: "Second episode of the chain." - name: "flash.j2e" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/flash.j2e" standalone_path: "Source/flash.j2e" required: false source_ref: "Sources/Jazz2/Compatibility/AssetConverter.cpp:518-545, Sources/Jazz2/Compatibility/AssetConverter.cpp:597-598, Sources/Jazz2/Compatibility/AssetConverter.cpp:642-671" note: "Third episode of the chain." - name: "monk.j2e" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/monk.j2e" standalone_path: "Source/monk.j2e" required: false source_ref: "Sources/Jazz2/Compatibility/AssetConverter.cpp:518-545, Sources/Jazz2/Compatibility/AssetConverter.cpp:599-600, Sources/Jazz2/Compatibility/AssetConverter.cpp:642-671" note: "Fourth episode of the chain." - name: "share.j2e" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/share.j2e" standalone_path: "Source/share.j2e" required: false source_ref: "Sources/Jazz2/Compatibility/AssetConverter.cpp:518-545, Sources/Jazz2/Compatibility/AssetConverter.cpp:572-573, Sources/Jazz2/Compatibility/AssetConverter.cpp:642-671" note: "Shareware Demo episode." - name: "xmas98.j2e" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/xmas98.j2e" standalone_path: "Source/xmas98.j2e" required: false source_ref: "Sources/Jazz2/Compatibility/AssetConverter.cpp:574-575, Sources/Jazz2/Compatibility/AssetConverter.cpp:647, Sources/Jazz2/Compatibility/AssetConverter.cpp:655-656, Sources/Jazz2/Compatibility/AssetConverter.cpp:669" note: "Holiday Hare '98. Stored under the name xmas99 and skipped when xmas99.j2e is present." - name: "xmas99.j2e" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/xmas99.j2e" standalone_path: "Source/xmas99.j2e" required: false source_ref: "Sources/Jazz2/Compatibility/AssetConverter.cpp:507, Sources/Jazz2/Compatibility/AssetConverter.cpp:518-545, Sources/Jazz2/Compatibility/AssetConverter.cpp:576-577" note: "The Christmas Chronicles." - name: "secretf.j2e" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/secretf.j2e" standalone_path: "Source/secretf.j2e" required: false source_ref: "Sources/Jazz2/Compatibility/AssetConverter.cpp:518-545, Sources/Jazz2/Compatibility/AssetConverter.cpp:578-579, Sources/Jazz2/Compatibility/AssetConverter.cpp:642-671" note: "The Secret Files episode." - name: "home.j2e" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/home.j2e" standalone_path: "Source/home.j2e" required: false source_ref: "Sources/Jazz2/Compatibility/AssetConverter.cpp:658-664" note: "Entry that lists custom levels." # Levels of the Shareware Demo. Every .j2l present in Source/ is # converted, whatever its name. # ref: Sources/Jazz2/Compatibility/AssetConverter.cpp:672-768 - name: "share1.j2l" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/share1.j2l" standalone_path: "Source/share1.j2l" required: false source_ref: "Sources/Jazz2/Compatibility/AssetConverter.cpp:518-556, Sources/Jazz2/Compatibility/AssetConverter.cpp:672-698, Sources/Jazz2/Compatibility/AssetConverter.cpp:721-735" note: "First level of share.j2e, stored as share/share1. Its exit names share2." - name: "share2.j2l" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/share2.j2l" standalone_path: "Source/share2.j2l" required: false source_ref: "Sources/Jazz2/Compatibility/AssetConverter.cpp:518-556, Sources/Jazz2/Compatibility/AssetConverter.cpp:672-698, Sources/Jazz2/Compatibility/AssetConverter.cpp:721-735" note: "Second level of the Shareware Demo episode. Its exit names share3." - name: "share3.j2l" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/share3.j2l" standalone_path: "Source/share3.j2l" required: false source_ref: "Sources/Jazz2/Compatibility/AssetConverter.cpp:518-556, Sources/Jazz2/Compatibility/AssetConverter.cpp:672-698, Sources/Jazz2/Compatibility/AssetConverter.cpp:721-735" note: "Third level of the Shareware Demo episode. Its exit ends the episode." - name: "sharectf.j2l" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/sharectf.j2l" standalone_path: "Source/sharectf.j2l" required: false source_ref: "Sources/Jazz2/Compatibility/AssetConverter.cpp:76, Sources/Jazz2/Compatibility/AssetConverter.cpp:553-556, Sources/Jazz2/Compatibility/AssetConverter.cpp:672-698, Sources/Jazz2/Compatibility/AssetConverter.cpp:721-735" note: "Capture the flag level of the Shareware Demo, stored under unknown/." - name: "sharect2.j2l" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/sharect2.j2l" standalone_path: "Source/sharect2.j2l" required: false source_ref: "Sources/Jazz2/Compatibility/AssetConverter.cpp:76, Sources/Jazz2/Compatibility/AssetConverter.cpp:553-556, Sources/Jazz2/Compatibility/AssetConverter.cpp:672-698, Sources/Jazz2/Compatibility/AssetConverter.cpp:721-735" note: "Capture the flag level of the Shareware Demo, stored under unknown/." - name: "sharetrs.j2l" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/sharetrs.j2l" standalone_path: "Source/sharetrs.j2l" required: false source_ref: "Sources/Jazz2/Compatibility/AssetConverter.cpp:76, Sources/Jazz2/Compatibility/AssetConverter.cpp:553-556, Sources/Jazz2/Compatibility/AssetConverter.cpp:672-698, Sources/Jazz2/Compatibility/AssetConverter.cpp:721-735" note: "Treasure hunt level of the Shareware Demo, stored under unknown/." # Tilesets. Only those a converted level names are converted. The name # is read from the level, lowercased and looked up in Source/ without # regard to case. # ref: Sources/Jazz2/Compatibility/JJ2Level.cpp:178, 861-864, # Sources/Jazz2/Compatibility/AssetConverter.cpp:749, 817-844 - name: "labrat1n.j2t" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/labrat1n.j2t" standalone_path: "Source/labrat1n.j2t" required: false source_ref: "Sources/Jazz2/Compatibility/JJ2Level.cpp:178, Sources/Jazz2/Compatibility/JJ2Level.cpp:861-864, Sources/Jazz2/Compatibility/AssetConverter.cpp:749, Sources/Jazz2/Compatibility/AssetConverter.cpp:817-844" note: "Tileset named by share1.j2l, sharect2.j2l and sharetrs.j2l." - name: "psych2.j2t" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/psych2.j2t" standalone_path: "Source/psych2.j2t" required: false source_ref: "Sources/Jazz2/Compatibility/JJ2Level.cpp:178, Sources/Jazz2/Compatibility/JJ2Level.cpp:861-864, Sources/Jazz2/Compatibility/AssetConverter.cpp:749, Sources/Jazz2/Compatibility/AssetConverter.cpp:817-844" note: "Tileset named by share2.j2l." - name: "diam2.j2t" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/diam2.j2t" standalone_path: "Source/diam2.j2t" required: false source_ref: "Sources/Jazz2/Compatibility/JJ2Level.cpp:178, Sources/Jazz2/Compatibility/JJ2Level.cpp:861-864, Sources/Jazz2/Compatibility/AssetConverter.cpp:749, Sources/Jazz2/Compatibility/AssetConverter.cpp:817-844" note: "Tileset named by share3.j2l and sharectf.j2l." # Music, read from the user Content/Music/, then Content/Music/, then Source/ # ref: Sources/Jazz2/ContentResolver.cpp:3307-3328 - name: "menu.j2b" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/menu.j2b" standalone_path: "Source/menu.j2b" required: false source_ref: "Sources/Jazz2/UI/Menu/MainMenu.cpp:514-516, Sources/Jazz2/Compatibility/AssetConverter.cpp:777-780" note: "Main menu music." - name: "bonus2.j2b" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/bonus2.j2b" standalone_path: "Source/bonus2.j2b" required: false source_ref: "Sources/Jazz2/UI/Menu/MainMenu.cpp:508-509, Sources/Jazz2/Compatibility/AssetConverter.cpp:777-780" note: "Menu music of the reforged main menu, picked at random with bonus3.j2b." - name: "bonus3.j2b" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/bonus3.j2b" standalone_path: "Source/bonus3.j2b" required: false source_ref: "Sources/Jazz2/UI/Menu/MainMenu.cpp:508-509, Sources/Jazz2/Compatibility/AssetConverter.cpp:777-780" note: "Menu music of the reforged main menu, picked at random with bonus2.j2b." - name: "intro.j2b" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/intro.j2b" standalone_path: "Source/intro.j2b" required: false source_ref: "Sources/Jazz2/UI/Cinematics.cpp:549, Sources/Main.cpp:615, Sources/Jazz2/Compatibility/AssetConverter.cpp:777-780" note: "Music of the intro cinematic." - name: "ending.j2b" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/ending.j2b" standalone_path: "Source/ending.j2b" required: false source_ref: "Sources/Jazz2/UI/Cinematics.cpp:549, Sources/Main.cpp:1098, Sources/Jazz2/Compatibility/AssetConverter.cpp:777-780" note: "Music of the ending cinematic." # Level music. The name is read from the level, lowercased and given # the .j2b extension when it has none. # ref: Sources/Jazz2/Compatibility/JJ2Level.cpp:182, 871-877 - name: "labrat.j2b" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/labrat.j2b" standalone_path: "Source/labrat.j2b" required: false source_ref: "Sources/Jazz2/Compatibility/JJ2Level.cpp:182, Sources/Jazz2/Compatibility/JJ2Level.cpp:871-877, Sources/Jazz2/LevelHandler.cpp:705-711, Sources/Jazz2/ContentResolver.cpp:3307-3320" note: "Music named by share1.j2l, sharect2.j2l and sharetrs.j2l." - name: "funkyg.j2b" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/funkyg.j2b" standalone_path: "Source/funkyg.j2b" required: false source_ref: "Sources/Jazz2/Compatibility/JJ2Level.cpp:182, Sources/Jazz2/Compatibility/JJ2Level.cpp:871-877, Sources/Jazz2/LevelHandler.cpp:705-711, Sources/Jazz2/ContentResolver.cpp:3307-3320" note: "Music named by share2.j2l." - name: "diamond.j2b" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/diamond.j2b" standalone_path: "Source/diamond.j2b" required: false source_ref: "Sources/Jazz2/Compatibility/JJ2Level.cpp:182, Sources/Jazz2/Compatibility/JJ2Level.cpp:871-877, Sources/Jazz2/LevelHandler.cpp:705-711, Sources/Jazz2/ContentResolver.cpp:3307-3320" note: "Music named by share3.j2l and sharectf.j2l." - name: "boss2.j2b" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/boss2.j2b" standalone_path: "Source/boss2.j2b" required: false source_ref: "Sources/Jazz2/Compatibility/EventConverter.cpp:413-423, Sources/Jazz2/Compatibility/AssetConverter.cpp:762-765, Sources/Jazz2/LevelHandler.cpp:1599-1602, Sources/Jazz2/ContentResolver.cpp:3307-3320" note: "Boss music. The boss activation event carries a music index that is converted to boss1.j2b or boss2.j2b and recorded as music the level uses. share3.j2l carries index 1." # Cinematics, read from Content/Cinematics/ then from Source/ - name: "intro.j2v" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/intro.j2v" standalone_path: "Source/intro.j2v" required: false source_ref: "Sources/Jazz2/UI/Cinematics.cpp:576-593, Sources/Main.cpp:615" note: "Intro cinematic. Skipped when absent." - name: "ending.j2v" category: game_data system: jazz-jackrabbit-2 path: "jazz2/Source/ending.j2v" standalone_path: "Source/ending.j2v" required: false source_ref: "Sources/Jazz2/UI/Cinematics.cpp:576-593, Sources/Main.cpp:1098" note: "Ending cinematic. Skipped when absent."