Fling UI
The facts below are what the maker publishes about Fling UI, checked and dated. Our editors have not written about it yet.
The facts
Each one read from Fling UI's own pages, with the date it was checked.
What it does
- Audience
- Its target systems include Bazzite, Steam Gaming Mode on Steam Deck, ROG Ally and Xbox Ally, and regular Linux desktops.checked 8 Oct 2026
- Controller input
- Controller actions include select, back, install or remove, refresh, settings, and filter navigation; keyboard equivalents are also provided.checked 8 Oct 2026
- Download checks
- Downloads use redirect handling, HTTP failure checks, connection and total timeouts, size and file validation, and ZIP dependency checks.checked 8 Oct 2026
- Frontend and CLI
- The UI pairs a Godot 4 .NET frontend with a Rust CLI and invokes the CLI through a versioned JSON API.checked 8 Oct 2026
- Install
- The installer targets x86_64 Linux or Bazzite and installs under the current user's home directory without root access.checked 8 Oct 2026
- Install scope
- The installer supports x86_64 Linux or Bazzite, installs under the current user's home directory, and does not require root.checked 8 Oct 2026
- Integration
- Fling discovers Steam games and runs Windows trainers for Proton games; it does not support native Linux executables for trainers.checked 8 Oct 2026
- Integrity metadata
- A successful install records trainer source URLs, SHA-256, and UTC installation time in trainer-metadata.json; the README says this hash is diagnostic change tracking, not proof of safety.checked 8 Oct 2026
- Library
- The app provides a controller-first library grid with local Steam artwork fallback and trainer states.checked 8 Oct 2026
- License
- The repository identifies Fling as MIT licensed.checked 8 Oct 2026
- Logs
- The UI log is stored at Godot's user://logs/fling-ui.log, rotates at roughly 512 KiB, and excludes environment secrets and raw command output.checked 8 Oct 2026
- Network behavior
- The refresh command rereads the selected game's Steam manifest and trainer state locally without contacting the network or modifying files.checked 8 Oct 2026
- Operations
- The JSON API supports game listing, installed trainer listing, status, install, removal and refresh operations.checked 8 Oct 2026
- Prerequisites
- Runtime requirements include Steam and Proton, Bash, Python 3, curl, file, systemd user services and busctl; unzip and protontricks apply to particular cases.checked 8 Oct 2026
- Purpose
- Fling UI is a fullscreen, controller-first trainer manager for Steam and Proton on Linux.checked 8 Oct 2026
- Safety
- The project says trainers should be used only in single-player games, warns that online services or anti-cheat may ban accounts, and notes that third-party Windows trainer executables may be unsafe.checked 8 Oct 2026
- Safety limit
- The maker warns trainers are for single-player only and that online or anti-cheat systems may ban accounts or block games.checked 8 Oct 2026
- Security
- The installer verifies the release archive against SHA256SUMS before extraction, but the project says trainer SHA-256 metadata is diagnostic and does not prove a trainer is safe.checked 8 Oct 2026
- Trainer handling
- The CLI discovers Steam games, downloads and validates trainers, integrates with systemd, and runs trainers through Proton.checked 8 Oct 2026
The company
- Steam support
- Flatpak Steam and custom Steam library paths are supported.checked 8 Oct 2026
Where it runs
- Target devices
- The project targets Bazzite and Steam Gaming Mode on Steam Deck, ROG Ally, Xbox Ally, and regular Linux desktops.checked 8 Oct 2026
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