ChooChoo Loader vs TrainerBridge

ChooChoo Loader launches games through Proton or WINE alongside trainers, mods, patches, or other executables and DLLs. It can start a game and another program together, and supports up to five additional executables or DLLs. Before injecting a DLL, it checks whether its 32-bit or 64-bit architecture matches. Users can save and load profiles, have the last-used profile open automatically after a configurable delay, and reselect recently used game or trainer executables. The v5.0 release describes a touch-first interface with larger controls for touch and mouse input. The project README describes use with Steam and Proton on Steam Deck, and with Whisky on macOS; it cautions that Whisky is unsuitable for this style of gaming when binaries require complex memory manipulation. ChooChoo Loader lists Linux, macOS, web, and Windows. It is free, open-source software under the MIT License. The project directs users who find a bug to report it but does not specify a support service.

TrainerBridge is a free, open-source Linux application for running standalone Windows trainers with Steam games through Proton. It examines Steam libraries, identifies each game’s Proton version and compatdata prefix, then starts a trainer inside the matching Proton environment. You can import and manage one trainer executable for each Steam game and launch the game and trainer together or independently. Steam installations delivered as native packages, Snap, or Flatpak are supported. An optional Protontricks frontend can place common runtimes, fonts, settings, and applications into a game prefix. Before prefix changes, TrainerBridge can create backups using copy-on-write folders on compatible Btrfs filesystems or compressed .tar.zst archives elsewhere. Downloads include an x86_64 AppImage and portable .tar.xz archive with SHA-256 checksums. It does not supply trainers, alter game files, or bypass anti-cheat systems. Prefix component compatibility varies by game, prefix state, Proton version, and Winetricks recipe.