A work-in-progress modernization of LEGO Island (1997)
  • Python 79.8%
  • C++ 17.8%
  • C 1.9%
  • CMake 0.4%
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Add alternate-take voice masters found by the final audit (#817)
An audit independent of acoustic matching (every unreplaced object
whose embedded source filename exists in the dump at higher quality)
surfaced 21 more lines where the master is a different take or edit of
the shipped line: Act3 Brickster taunts, the build instructor intros,
several Infomaniac and character lines. Masters that outrun the
shipped scope are cut to it (e.g. IIC017IN 54s master cut to the
shipped 25.2s window) so paired animations stay in sync; standalone
lines keep the master's full length. Pack grows to 981 replacements.

Papa's bio master (Papafin.wav) was evaluated as well - the only bio
that shipped below master quality - but rejected: it is a different
performance whose phrase timing drifts up to 3.7s from the take the
Papa_Smk animation was authored against, so the retail track stays.
2026-07-25 19:02:20 +00:00
.github Add HD audio asset pack (#816) 2026-07-25 10:51:11 -07:00
3rdparty Add HD audio asset pack (#816) 2026-07-25 10:51:11 -07:00
android-project Rescale save-loaded textures to runtime texture dimensions (#805) 2026-05-15 01:45:40 +00:00
assets Add alternate-take voice masters found by the final audit (#817) 2026-07-25 19:02:20 +00:00
CMake DOS port (#799) 2026-05-04 01:25:27 +02:00
CONFIG Vita: include <limits> for paf header transitive use (#801) 2026-05-02 16:02:46 +00:00
docker ci: suffix debug-build artifacts to avoid release filename collision (#808) 2026-05-17 21:52:22 +00:00
docs Add missing character name (#1751) 2026-03-23 23:42:05 +01:00
extensions Add rabbits extension with two animated rabbits on the mountain top (#791) 2026-04-05 17:43:43 +00:00
ISLE DOS port (#799) 2026-05-04 01:25:27 +02:00
LEGO1 Fix softlocked cops stuck on donut (#812) 2026-07-05 21:24:05 +02:00
miniwin Optimize software renderes (#811) 2026-07-04 18:11:53 +02:00
packaging ci: suffix debug-build artifacts to avoid release filename collision (#808) 2026-05-17 21:52:22 +00:00
tools Merge remote-tracking branch 'isle/master' 2026-05-15 15:21:08 -07:00
util Merge remote-tracking branch 'isle/master' 2026-01-07 16:39:54 -07:00
.clang-format User clang-format InsertBraces instead of clang-tidy (#1059) 2024-07-04 23:35:49 +02:00
.clang-tidy Add clang-tidy readability-redundant-inline-specifier (#1060) 2024-07-05 01:06:32 +02:00
.editorconfig Flatpak Build Support (#407) 2025-06-29 19:04:08 +00:00
.gitattributes Add HD audio asset pack (#816) 2026-07-25 10:51:11 -07:00
.gitignore Add third person camera extension (#786) 2026-03-31 01:00:07 +02:00
.gitmodules Remove libweaver git submodule (#737) 2025-11-24 20:50:16 +00:00
.lfsconfig Add hdmusic.si asset pack, extend SiLoader with Replace directive (#671) 2025-08-16 21:21:39 +02:00
CMakeLists.txt Fix ROI UAF cluster and bump Emscripten INITIAL_MEMORY to 128 MB (#807) 2026-05-17 20:11:38 +00:00
CONTRIBUTING.md Make Ghidra server instructions clearer (#1727) 2026-01-24 17:28:50 -08:00
LICENSE Create LICENSE (#1497) 2025-06-24 18:00:23 +02:00
pyproject.toml Python Linting and Code Formatting (#298) 2023-11-25 13:27:42 -05:00
README.md Added DOS and FreeBSD mentions to the README (#810) 2026-05-25 02:50:13 +00:00
settings.gradle Android port (#656) 2025-08-15 15:12:35 +00:00

LEGO Island, portable

Development Vlog | Contributing | Matrix | Forums | Patreon

This initiative is a portable version of LEGO Island (Version 1.1, English) based on the decompilation project. Our primary goal is to transform the codebase to achieve platform independence, thereby enhancing compatibility across various systems while preserving the original game's experience as faithfully as possible.

Please note: this project is primarily dedicated to achieving platform independence without altering the core gameplay or rewriting code for improvement's sake. While those are worthwhile objectives, they are not within the scope of this project. isle-portable offers support for light modding using extensions.

Status

Platform Status
Windows (x86, x64, arm64) CI
MacOS (arm64) CI
Linux (x64, arm64) CI
FreeBSD (x64) CI
DOS (x86) CI
Web CI
iOS CI
Android CI
Xbox One CI
Playstation Vita CI
Nintendo Switch CI
Nintendo 3DS CI

We are actively working to support more platforms. If you have experience with a particular platform, we encourage you to contribute to isle-portable. You can find a list of ongoing efforts in our Wiki.

Usage

An existing copy of LEGO Island is required to use this project.

As it stands, builds provided in the Releases tab are mainly for developers; as such, they may not work properly for all end-users. Work is currently ongoing to create workable release builds ready for gameplay and general use by end-users. If you are technically inclined, you may find it easiest to compile the project yourself to get it running at this current point in time.

Installation instructions for some ports can be found in our Wiki.

Library substitutions

To achieve our goal of platform independence, we need to replace any Windows-only libraries with platform-independent alternatives. This ensures that our codebase remains versatile and compatible across various systems. The following table serves as an overview of major libraries / subsystems and their chosen replacements. For any significant changes or additions, it's recommended to discuss them with the team on the Matrix chat first to ensure consistency and alignment with our project's objectives.

Library/subsystem Substitution Status
Window, Events SDL3 Remarks
Windows Registry (Configuration) libiniparser Remarks
Filesystem SDL3 Remarks
Threads, Mutexes (Synchronization) SDL3 Remarks
Keyboard/Mouse, DirectInput (Input) SDL3 Remarks
Joystick/Gamepad, DirectInput (Input) SDL3 Remarks
WinMM, DirectSound (Audio) SDL3, miniaudio Remarks
DirectDraw (2D video) SDL3 Remarks
Smacker libsmacker Remarks
Direct3D (3D video) SDL3 (Vulkan, Metal, D3D12), D3D9, OpenGL 1.1, OpenGL ES 2.0, OpenGL ES 3.0, Software Remarks
Direct3D Retained Mode Custom re-implementation Remarks
SmartHeap Default memory allocator - -

Building

This project uses the CMake build system, which allows for a high degree of versatility regarding compilers and development environments. Please refer to the GitHub action for guidance.

Contributing

If you're interested in helping or contributing to this project, check out the CONTRIBUTING page.