To download or revert to , you typically need to "downgrade" from the current official versions (1.6.14 on Steam or 1.6.13b on GOG). This specific version is essential for installing the Hyperspace API , which is required to play massive overhaul mods like FTL: Multiverse . Why You Need FTL 1.6.9
The easiest way is to use a community-created downgrade tool provided by the Hyperspace developers. ftl 1.6.9 download
Under "Select version," choose from the dropdown menu and click OK. The client will then download and install that specific version. To download or revert to , you typically