Ultimate Dirtbike USA is the ultimate challenge for all boys and girls who love addicting bike games. This is a 40 level adventure that no one has to miss. There are 4 different worlds and each one of them contains 10 levels. The first ones are to get you introduced, then to farm you up and finally you will have the ultimate challenge to complete the whole game. Use the keyboard arrow keys to ride your dirt bike and try to avoid all obstacles on the road. Get nitro bonuses and they will be active automatically. Brake by using the Z or X keys and save yourself from a danger ahead. Have fun with Ultimate Dirtbike USA!
Ultimate Dirtbike USA is a free game which can be played at bikegames.biz. This game have been rated from administrators of bikegames.biz with 4.65 stars out of 5.
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