It's FREE!!! When you create an account on ThunderIsland.com you'll be able to compete against other racers from all over the world and compete for prizes. Here's how it works:

Step 1) Create a free account below
Step 2) Download the game
Step 3) Install "Thunder Island" and login with your account info -- then start racing!

After each 3-lap race your scores are uploaded to our Leader Board page. The object is to knock off the leaders with a better lap time. Race as many times as you want. The racer with the best lap time at the end of the contest is the winner. The red fields are required.