GOG provides complete offline installers. If you want to lock your game version permanently to ensure mods never break due to an automatic update, the GOG version is far superior to Steam.
Squad, the original developer, ceased active development on KSP in 2021. Version was the official "final" update, but it was followed by a crucial, silent hero: v1.12.4 . kerbal space program v1124gog best
: GOG is renowned for its customer service. If players encounter any issues with Kerbal Space Program, they can count on quick and helpful responses from the support team. GOG provides complete offline installers
By late 2023–2024, major mods like:
By version 1.12.4, KSP had fully embraced the , a change that dramatically improved stability and performance, especially for players who use many mods. The old 32‑bit versions were limited to around 4 GB of RAM, causing frequent crashes when loading complex craft or dozens of mods. With 64‑bit, the memory ceiling is effectively lifted, allowing you to build massive space stations, use high‑resolution texture packs, and install hundreds of mods without hitting a memory wall. Version was the official "final" update, but it
: The most significant advantage of purchasing from GOG is that the game comes with absolutely no Digital Rights Management (DRM). This means you can download the game once and install it on as many computers as you want without any online activation, client requirements, or account checks. You can even copy the game's folder onto a USB drive and play it on another machine with no additional steps. This freedom is incredibly valuable for a game like KSP, which you might want to play on a laptop during travel or on a PC without an internet connection.