NBA 2K9
50 Achievements
1,000
Xbox 360
Sprite Slam Dunk
Achieved by winning the Sprite Slam Dunk Contest using LeBron James.
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How to unlock the Sprite Slam Dunk achievement in NBA 2K9 - Definitive Guide
xChronicChiefx
TrueAchievements
TrueAchievements
The Slam Dunk Contest can be located under Blacktop in the Main menu. Pick 4 competitors and place them all under your control. Make sure one of them is Lebron James.The Dunk's are fairly tricky. Press X to pull up the Dunk List and pick out an easy one using Lebron James such as a tomahawk dunk. Move the left stick and when you get just inside the 3 point line press right stick Left followed by right stick Right then quickly pull and hold the Right Trigger until it gets in the little small box and let go. It will take a couple of attempts to get your dunks down.When the other players come up just sit there and let the time run out.
Tailz
The Slam Dunk Contest can be located under Blacktop in the Main menu. Pick 4 competitors and place them all under your control. Make sure one of them is Lebron James.The Dunk's are fairly tricky. Press 
to pull up the Dunk List and pick out an easy one using Lebron James such as a tomahawk dunk. Move the 
and when you get just inside the 3 point line press 
Left followed by Right then quickly pull and hold the 
until it gets in the little small box and let go. It will take a couple of attempts to get your dunks down.When the other players come up just sit there and let the time run out.
to pull up the Dunk List and pick out an easy one using Lebron James such as a tomahawk dunk. Move the and when you get just inside the 3 point line press Left followed by Right then quickly pull and hold the until it gets in the little small box and let go. It will take a couple of attempts to get your dunks down.When the other players come up just sit there and let the time run out.