KSP Caveman Challenge 1.2 Facilities upgrades are forbidden Crappy runway and launchpad Part count of thirty and vehicle mass limit of 18.0 tonne No fancy patched conics, no maneuver nodes or no Deep Space Network Abhorrent fear of technology as primitive as can be Acquire 1188 Science Points to unlock twenty nodes of the technology tree.   Rules: Stock career mode Include pictures of your Science Archives No mods that alter game play