NBA 2K8
50 Achievements
1,000
Xbox 360
3-For-All
Achieved by making 10 or more 3pt FG's with 3P% over 45% with any team.
20
How to unlock the 3-For-All achievement in NBA 2K8 - Definitive Guide
You should get this with the "15 Threes" achievement. Get 10 three pointers while having 45% or better 3pt percentage.
Get 10 three pointers while having 45% or better 3pt percentage. Will be easily obtained while going for 15 Three's.