Alone In The Dark Decompilation
A new engine written from scratch that loads the original game's data files.
Links, repository & detailsAbout
Alone in the Dark: Re-Haunted is a from-scratch C++ reimplementation of the Infogrames engine that lets you play the original Alone in the Dark games on modern hardware, with remaster enhancements. It uses bgfx for rendering, SoLoud for audio and SDL3 for input, and has binaries for Windows, Linux and macOS. It is released under the GNU General Public License v2. You must own the original game data, from Steam or GOG; the data files are not included.
How it differs from the original
Adds remaster features such as upscaled HD backgrounds, textured 3D models, dynamic lamp lighting, post-processing effects, TTF font rendering, in-game maps, interactive hints, controller support and CD voice-over for book and letter sequences. A Detail setting switches between the original graphics and HD remaster mode.
Getting started
Launch the executable from the folder containing the original game data files; the engine detects which game is installed. From version 2.0 it can find and copy game files installed from Steam or GOG, or from a CD in the drive. After the intro you pick Edward Carnby or Emily Hartwood and start in the attic of Derceto Manor. The Escape key opens the system menu for saving, loading and settings.
Known issues & limitations
- Alone in the Dark 2 is in progress, while Alone in the Dark 3 is planned.
What you need to run it
Features
- HD backgrounds can use upscaled camera views, including animated backgrounds.
- The project supports Xbox, PlayStation, Switch Pro, and other SDL3-compatible gamepads, with rebindable controls.
- The game includes interactive mansion and underground maps with real-time position tracking.
- Interactive hints can highlight objects in the game world.
- Post-processing options include bloom, film grain, SSAO, vignette, SSGI, and light probes.
How to install
- Launch Tatou.exe from the folder containing the original .PAK or .ITD game files.
- For Jack in the Dark, download its separate release and keep it separate from AITD1 to avoid conflicts.
- From version 2.0, the project can automatically find and copy original files from Steam, GOG, or a CD in the drive.
Controls
- Press Space to interact with objects or fight.
- Press Escape to open the system menu or cancel dialogs.
- Press Q or E for a quick 180° turn left or right.
- Press F11 or Alt+Enter, or double-click the window, to toggle fullscreen.
- Press Q or E for a quick 180-degree turn; all keyboard and gamepad bindings can be rebound.
Summarised from the project's README.
Media
Additional notes
- Supported games
- Alone in the Dark 1 and the Jack in the Dark promo game are listed as completable; forks for Alone in the Dark 2 (in progress) and 3 (planned) are listed.
FAQ
- What is Alone In The Dark Decompilation?
- Alone In The Dark Decompilation is an open-source engine reimplementation of Alone in the Dark. A new engine written from scratch that loads the original game's data files.
- Do I need the original game files to run Alone In The Dark Decompilation?
- Yes. The project does not include the original game's assets, so you need your own copy.
- How is Alone In The Dark Decompilation licensed?
- project: GNU General Public License v2 (project code). The repository itself is the authoritative source.
- Do I need to own the original game data?
- Yes. You must own the original game data; the files are not included.
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