Kerbal Space Program V1.12.4-gog Jun 2026

Subtract 0.5 only because the base game still lacks a proper in-game tutorial for orbital rendezvous—but the community has filled that gap with YouTube guides.

Most KSP mods have settled on 1.12.x as their final target. On Steam, an accidental update can fragment your GameData folder. On GOG? You manually launch KSP_x64.exe and the universe stands still. This has birthed a quiet subculture of “GOG-first” mod packs—notably (hardcore life support) and Principia (n-body gravity). With no Steam Workshop gatekeeping, GOG players often rely on CKAN or manual installs, leading to deeper understanding of the game’s innards. Kerbal Space Program v1.12.4-GOG