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Most mods require FTL 1.6.9 + Slipstream Mod Manager.
FTL version 1.6.9 (released November 2018) is a legacy version of the space-sim roguelike FTL: Faster Than Light. While it is no longer the current version as of April 2026, it remains a critical download for the modding community, specifically for running the Hyperspace API and the massive Multiverse mod. Key Features of Version 1.6.9
macOS Stability: Introduced a critical fix for a periodic crash-on-launch bug affecting macOS Mojave users.
Localization Support: Added numerous fixes for typos, spelling, and UI issues across newly introduced localizations.
Mod Compatibility: It is the required "gold standard" version for FTL: Hyperspace, as later updates (1.6.12+) primarily added translations and Steam achievements that can conflict with hard-coded mods. How to Download/Downgrade to 1.6.9
Because the latest official version on most platforms is now 1.6.14 or higher, you must use specific methods to "roll back" your game files. GOG (Recommended): Open the GOG Galaxy client Select FTL: Faster Than Light from your library. Go to Manage Installation → Configure.
Uncheck "Auto-update," select 1.6.9 from the version list, and click OK to let it download. Steam:
Automated: Most modern versions of the Multiverse installer include an automated downgrader that will handle this process for you during setup. ftl 1.6.9 download
Manual (Steam Console): Open the Steam console (steam://nav/console in your browser) and use the download_depot command with the specific manifest ID for version 1.6.9 to fetch the older files. Epic Games / Other:
Versions on Epic or Game Pass generally require the use of a .bps patch file and a tool like Flips to manually overwrite the FTLGame.exe with the 1.6.9 equivalent. Upgrading FTL to Multiverse for GOG (non-Steam) installs
Wrote this down for myself but thought I would share a quick guide on upgrading/modding FTL to Multiverse. * Install FTL on GOG. * Reddit·r/ftlgame
Guide :: How To Revert FTL To Old Versions - Steam Community
Now that you have the 1.6.9 engine, you need the content.
When the title screen loads, you will know it worked if the logo reads FTL: Multiverse and the version number in the bottom corner displays 1.6.9.
FTL 1.6.9 is a community-maintained update/patch for FTL that includes bug fixes, balance adjustments, and compatibility improvements for modern systems. It’s typically distributed by community modders or on community hubs rather than via official storefronts. Most mods require FTL 1
If you are downloading FTL specifically for modding, you may have been directed to a specific download link by a mod readme file.
Important Safety Warning: Be very careful when downloading executable files (.exe) or game zips from third-party "free download" sites. FTL is a paid game; downloading cracked versions from shady sites poses a high risk of malware.
Instead, use trusted community resources:
What is FTL 1.6.9?
FTL 1.6.9 is the latest stable version of FTL: Faster Than Light (including the Advanced Edition content). It contains all updates, bug fixes, and the free Advanced Edition DLC. This version is required for most modern mods (like Multiverse).
If you own the game on Steam or GOG, you are entitled to the latest updates automatically.
Version 1.6.9 is a significant patch because it serves as a bridge between the classic game and modern hardware. While the game does not receive frequent content updates from the developers (Subset Games) anymore, this specific version is crucial for two main reasons:
Warning: Downloading version 1.6.9 from random file-sharing sites is risky. Always use official mod launchers or your game store's legacy download options. FTL version 1
The primary feature of FTL: Faster Than Light version 1.6.9 (released November 2018) is that it is the required stable version for installing Hyperspace
, a hard-coded modding API used by massive overhaul mods like Multiverse
While technically an older version of the game, it is frequently downloaded or "downgraded" to because later updates (v1.6.10–v1.6.14) mainly added localizations and Steam achievements that are incompatible with current Hyperspace-based mods. Subset Games Key Features of Version 1.6.9 macOS Stability
: Fixed a critical "crash-on-launch" bug specifically for users on macOS Mojave. Localization Polish
: Addressed numerous typos, spelling mistakes, and UI alignment issues within the new localized versions of the game. Modding Compatibility : It is the "gold standard" version for the Hyperspace API
, enabling features like seeded runs, custom crew types, and expanded ship slots. FTL: Faster Than Light Wiki How to Access Version 1.6.9
Because most storefronts automatically update to v1.6.14, you typically have to manually revert to 1.6.9: : Use a community-provided downgrade tool
or the Steam console to download the specific 1.6.9 manifest. : Go to the FTL page in the GOG Galaxy
client, select "Manage Installation" > "Configure," uncheck "Auto-updates," and choose from the version list. or a link to the downgrade patcher to get your game ready for mods?