A skipping-rope game. Everytime you have to jump over the rope, you have to quickly press shift+ctrl+6+right mouse button, while mashing G repeatedly and screaming into your computer's microphone. But time your jumps, because losing erases system32 from your computer.
PIED3
Harpooning a dolphin in the face.
Oh and as a joke have one that says "Shut down your computer!" cause it'd be someone if someone actually did it and just sat there waiting for their reward.
EzraHen
Lol, funny ideas
I might do one :D