Very challenging. It's hard to keep the car steady while sucking up the ghosts! I think the graphics are simply amazing. The city in the distance looks good against the night sky and the bumps in the road gives such a realistic feeling for an NES game. No problems with the music either. The game is very original and the only thing I could think of to compare it to was the Runaway Five bus in Earthbound going through the tunnels with ghosts and scaring them away with their music. Thanks for sharing your game!