The adventure game is a lot of fun. It is a decent challenge, and there is a lot to do. When you finish the four worlds, you may think that you are done, but there is a secret space world hidden in the....There are two secret characters to find (Drumstick and T.T.) In order to get Drumstick, you must run over.... , and to get T.T. you have to.... in the Time Trial Mode. The characters and plot are great, as well as the special weapons,the multiplayer challenges (You can play by yourself in them too), the secret codes, the fact that you must defeat every boss and level twice with two kinds of challenges, the fact that you can use ..... and...... instead of just cars, the secret challenges, and other surprises. There is also a special second adventure mode where the courses are........ and the coins are hidden in spots you won't expect to find them......  There is also your basic tracks mode where you can play any unlocked level with any unlocked character or vehicle with up to four players. The adventure two mode tracks can be played here once they are unopened. If you like games by Rare and you like racing and/ or adventure games, this is for you (Taj says that in the game every time you get.....)