What are some fun games to play alone like hacky sack (not video games)?

Question

What are some fun games to play alone like hacky sack (not video games)?

Answer 1

what about.... solitaire!!

Answer 2

try palying chess or checkers with yourself.

Answer 3

Solitaire.  Not on the computer....with real cards.  But I would consider this more of a time occupier than fun.