KNULLI

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About

KNULLI is ranked #9 of 25 in emulation frontends on Inferse. It runs on Linux, Self-hosted. There is a free plan.

Compared on emulation frontends

Supported platforms: Anbernic RG series, GoRetroid Pocket 5/Mini, Miyoo Flip, Powkiddy RGB30/X55, Orange Pi Zero 2w, TrimUI Brick/Smart Proknulli.org
Emulators included: Yesknulli.org
Library import: Yesknulli.org
Metadata scraping: Yesknulli.org
Controller navigation: Yesknulli.org
Portable mode: Yesknulli.org
Cloud sync: Noknulli.org

Facts

Purpose: KNULLI is custom firmware for retro-gaming devices such as handhelds and bartops, developed as a fork of Batocera.knulli.org · 30 Sept 2026
Audience: The project focuses on devices with unavailable or outdated kernel sources, limited GPU support, or devices its team chooses to support.knulli.org · 30 Sept 2026
Emulation: KNULLI includes EmulationStation or Simplemenu/Simplermenu+ frontends, RetroArch, and multiple libretro cores.knulli.org · 30 Sept 2026
Wireless: It supports wireless and Bluetooth, including audio, when the device supports them, and can use external USB wireless adapters.knulli.org · 30 Sept 2026
Gaming features: Features include RetroAchievements, netplay, and cover art and thumbnail scraping.knulli.org · 30 Sept 2026
Metadata sources: The built-in scraper can fetch metadata and media from ScreenScraper, TheGamesDB, and ArcadeDB.knulli.org · 30 Sept 2026
Save synchronization: Syncthing is pre-installed and can synchronize savegames across KNULLI devices or back them up to a NAS; it does not use a cloud.knulli.org · 30 Sept 2026
File sharing: KNULLI makes userdata available over SMB for wireless file transfers on a local network.knulli.org · 30 Sept 2026
Installation: Installation requires downloading a device-specific image and flashing it to an SD card or the device's internal storage.knulli.org · 30 Sept 2026
Device support limit: If a device is not listed among the installation package downloads, the site says there is no public release for it and warns against using another device's package.knulli.org · 30 Sept 2026
Library requirement: Games, BIOS files, saves, and themes must follow KNULLI's strict, case-sensitive folder structure.knulli.org · 30 Sept 2026
Security: The site warns that KNULLI devices have no root password by default, making device data accessible on the local network, and recommends enabling additional security.knulli.org · 30 Sept 2026
Licensing: KNULLI combines open-source components under their respective licenses and includes some components licensed for non-commercial use only.knulli.org · 30 Sept 2026
Support: The project uses Discord for discussions and provides a wiki with setup and troubleshooting guides.knulli.org · 30 Sept 2026