13472
Enhancements over the previous installment include improved graphics , new tricks ( including flatland tricks and a " trick tweaking system , " similar to the trick modifier featured in Dave Mirra Freestyle BMX ) , a balance meter for grind and lip tricks , more riders , a longer career mode , a larger soundtrack , and larger , more interactive environments .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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