I recently finished my KSP2 For Science! playthrough by completing the last 2 missions: the game's final Big Boss mission, Under Pressure (10 kerbals to Eve and back); and The Crater Conundrum (Gilly). Here are a few of the unique things I did for this mission: One single launch rocket SSTO to LKO 11 kerbals to Eve and back versus the 10 required All kerbals traveled in command pods or crew modules - no rumble seats Launch to LKO This is the heaviest