Flash Isometric Driving Game--opinions?

http://www.bombpop.com/games/

My buddy and I designed and developed this tile-based isometric driving game over the course of a couple of months, and are pretty proud of it. We’d love to hear the opinions and suggestions of the folks here as we will be dropping in phase II of the game in January. We plan on adding log-ins to track users and scores for rewards. We’re also planning on allowing folks to create their own maps as well as adding a ton of new map elements. Gameplay is good, but hit-detection was a real issue and still has some quirks (there’s a cheat mode that will let you drive thru all the map elements. I won’t tell you where but it’s a 4x4 pixel button on the game screen). Anyway, let us know what you think and hjow we might improve it for the next round.

http://www.bombpop.com/games/

Game summary:

It’s a hot summer day in Chillville and the kids won’t be satisfied until they get some cool treats! To chill them out, you’ll choose an ice cream truck, travel to the arctic to gather frozen treats to sell, and deliver the goods on the streets of Chillville.