Nightcap

Play Roblox on Linux like it was made for your PC. Nightcap is Mocktail, tuned to feel fast and look sharp.

AppImage

chmod +x Nightcap-x86_64.AppImage
./Nightcap-x86_64.AppImage

Flatpak

flatpak install --user https://coderdayton.github.io/nightcap/nightcap.flatpakref
flatpak run io.github.CoderDayton.nightcap

DEB, RPM and pacman

sudo apt install ./nightcap_<version>-1_amd64.deb
sudo dnf install ./nightcap-<version>-1.x86_64.rpm
sudo pacman -U nightcap-<version>-1-x86_64.pkg.tar.zst

Build from source

git clone --recurse-submodules https://github.com/CoderDayton/nightcap.git
cd nightcap && make build
./build/mocktail

What's different

Lower input lag. Frames are shown as soon as they are ready.
Sharper textures, with your own PNG overrides if you want them.
ETC2 textures render correctly on desktop GPUs.
No more error 319 kicks after joining a server.
Roblox sees your real RAM and screen size.

Direct downloads

Prebuilt builds for Linux x86_64.

AppImage Flatpak bundle DEB, RPM, pacman Signing key Terms Privacy

Source code · Upstream Mocktail

Nightcap is an independent community project and is not affiliated with Roblox Corporation.