: While KSP is primarily a single-player game, using unlockers on platforms like Steam can technically violate Terms of Service, though bans for single-player DLC unlocking are rare. Game Stability
In practice, most so-called "KSP DLC unlockers" come in one of three forms: ksp dlc unlocker
Kerbal Space Program features two major expansions that are the primary targets of unlocker tools: Making History : While KSP is primarily a single-player game,
Adds over 60 new parts inspired by the Space Race, a Mission Builder, and historical scenarios. Breaking Ground a Mission Builder