Welcome to Kerbalism Hundreds of Kerbals were killed in the making of this mod. Kerbalism is a mod for Kerbal Space Program that alters the game to add life support, radiation, failures and an entirely new way of doing science. Go beyond the routine of orbital mechanics and experience the full set of engineering challenges that space has to offer. All mechanics can be configured to some degree, or even disabled if you don't like some of them. A big part of the mod is fully data-dr