E-C0 mtvU Game0RZ Showcase       Play When it comes to keeping Pittsburgh's rivers clean, you can't just go with the flow...   Developers: ack Li - Human Computer Interaction, Carnegie Mellon and Ricardo Marquez - Human Computer Interaction, Carnegie Mellon     5.00     Rate It 1 - Unplayable 2 - Problems 3 - Bad 4 - Below Average 5 - Average 6 - Above Average 7 - Good 8 - Very Good 9 - Outstanding 10 - Perfect               Return to game showcase