Orbiting Kerbin with only ion engines - KSP
7:12
Orbiting Kerbin using only Jet Engines | Stock KSP 1.7
20:07
Landing on all of Jool's moons with a 6 ton spaceplane
13:03
2.0 tons to Moho and back
15:07
KSP v1.5: Single stage, nonstop trip to Eve and back: World first stock, unrefueled SSTK from Eve.
23:08
KSP: I changed my mind about ion engines...
14:00
80 passenger fully reusable Eve spaceplane - KSP v1.12
7:38
Monopropellant SSTO - Orbiting with the "Puff" engine - Kerbal Space Program
26:03