Here is a forum game about trading. You play like this.
TTUG: I have pizza.
Cypher: I trade a lit stick of TNT for the pizza.
I have a cat.
Trades Transformers Animated for Madden 2004 for the Gamecube.
Trades Madden for doornail.
Trades door for Mary Poppins.
Trades Mary Poppins for Samus Aran.
Trades Samus Aran for Princess Peach.
Trades Princess Peach for Rosalina
Trades Rosalina for Daisy.
Trades Daisy for Lara Croft.
Trades Lara Croft for toilet.
Trades toilet for sonic boom.
wait, why did i do that? the toilet was better...
Trades sonic boom for rainbow dash