Mocktail

Mocktail runs the Android x86_64 Roblox client on Linux. It provides the Android ABI and JNI pieces the client expects, then uses SDL3 and Vulkan or OpenGL for the Linux side.

Mocktail is still experimental and may break after a Roblox update. It is not affiliated with Roblox Corporation or VinegarHQ.

How it works

Roblox APK -> signature and ABI checks -> Bionic + JNI -> SDL3 + Vulkan/OpenGL

The APK is checked before any native code is loaded. It is downloaded on first launch and is not bundled with Mocktail. The last working copy is kept in case an update fails.

Install with Flatpak

flatpak install --user https://komaruworld.github.io/mocktail/mocktail.flatpakref
flatpak run space.bigrat.mocktail

Install from the AUR

Arch Linux users can install either the pinned source release (mocktail) or the current development version (mocktail-git) with an AUR helper:

paru -S mocktail-git
# or
yay -S mocktail-git

Use mocktail instead of mocktail-git to build the pinned release from source, or install the stable prebuilt package with paru -S mocktail-bin or yay -S mocktail-bin.

Screenshots

Other Linux packages

The latest AppImage, DEB, RPM, and Arch packages are attached to the continuous release.

# AppImage
chmod +x Mocktail-x86_64.AppImage
./Mocktail-x86_64.AppImage

# Ubuntu/Debian
sudo apt install ./mocktail_*_amd64.deb

# Fedora
sudo dnf install ./mocktail-*.x86_64.rpm

# Arch Linux
sudo pacman -U ./mocktail-*-x86_64.pkg.tar.zst

Building

Only Linux x86_64 is supported. Building requires CMake 3.20+, Git, pkg-config, a C++17 compiler, SDL 3.4+, SDL3_ttf, Vulkan, EGL, libplacebo, fontconfig, libcurl, OpenSSL, libelf, libyaml, minizip, Capstone 5, utf8proc, nlohmann/json, GTK4, libadwaita 1.6+, and WebKitGTK 6.0.

Ubuntu 26.04+

sudo apt update
sudo apt install build-essential cmake git ninja-build pkg-config \
  libsdl3-dev libsdl3-ttf-dev libcurl4-openssl-dev libssl-dev \
  nlohmann-json3-dev libyaml-dev libelf-dev libminizip-dev \
  libcapstone-dev libgtk-4-dev libadwaita-1-dev libwebkitgtk-6.0-dev \
  libutf8proc-dev libfontconfig1-dev libegl-dev libvulkan-dev \
  libplacebo-dev zlib1g-dev

Arch Linux

sudo pacman -S --needed base-devel cmake git ninja pkgconf sdl3 sdl3_ttf \
  curl openssl nlohmann-json libyaml libelf minizip capstone gtk4 \
  libadwaita webkitgtk-6.0 libutf8proc fontconfig libglvnd \
  libplacebo vulkan-headers vulkan-icd-loader zlib

Fedora 44+

sudo dnf install gcc-c++ cmake git ninja-build pkgconf-pkg-config \
  SDL3-devel SDL3_ttf-devel libcurl-devel openssl-devel \
  nlohmann-json-devel libyaml-devel elfutils-libelf-devel minizip-ng-compat-devel \
  capstone-devel gtk4-devel libadwaita-devel webkitgtk6.0-devel \
  utf8proc-devel fontconfig-devel libglvnd-devel vulkan-headers \
  vulkan-loader-devel libplacebo-devel zlib-ng-compat-devel

git clone --recurse-submodules https://github.com/komaruworld/mocktail.git
cd mocktail
make build
./build/mocktail

License

Apache License 2.0. Third-party components keep their own licenses.

Support

You can support the project by giving it a star or with cryptocurrency:

• USDT (TON): UQCi6Yzcc9cOctoij6n_r1K90-OdVxAT0D_xo2UzGKkQaJDY
• USDT (TRC20): TNPMG9Vig2xiuo2r1QqnXRChPH7Vu28Jmx