The #KSP2WeeklyChallenge is... Land on Minmus!
Primary: Land on Minmus.
Stretch: Land on Minmus, land on Mun, and back to Kerbin.
Jeb level: land on Minmus, deploy rover, drive all the way around, re-board spacecraft, fly back to Kerbin.
Val level: all of the Jeb goals, but in a single craft (Hint: make a rover SSTO).