Kerbal Space Program

A very powerful rocket with 3 major stages in Kerbal Space Program. It does not use anything but the basic parts that the game comes with.

[@AssemblerGuy]

Have you tried putting it into orbit, rather than "just" going to twice the escape velocity? This rocket design might be a good candidate for a moon mission when they put a moon into an upcoming version of the game, perhaps with the last, 3-tank stage replaced by a 2-tanker plus some fancy "moon lander" stage.