Oshidama Monthly is a very addictive and difficult Japanese skill game. Use the mouse to nudge an orb (like playing billiards), avoiding pit traps and walls as you snake your way to the goal. http://www.game-pure.com/flash/oshidama_monthly/
This is indeed the hardest game I've played so far, didn't get any results after 3 attempts! Must finish at least one! Target of the week. -^_^