In Uncharted 2: Among Thieves for the PS3, there are several skins you can unlock by performing certain tasks.
Here is the list of skins you can unlock, and how much they cost after you unlock them.
Cameraman Jeff – Reach Level 30 – costs $100,000
Doughnut Drake – Reach Level 60 – costs $2,000,000
Genghis Khan Villain – Beat the game on Crushing difficulty – costs $1,500,000
Harry Flynn – Reach Level 20 – costs $50,000
Heist Drake – Reach Level 10 – costs $20,000
Heist Flynn – Reach Level 20 – costs $50,000
Karl Schafer – Reach Level 50 – costs $1,000,000
Lieutenant Draza – Reach Level 50 – costs $1,000,000
Marco Polo Hero – Unlock the Platinum Trophy – costs $0
Skelzor – Reach Level 60 – costs $2,000,000
Winter Chloe – Reach Level 20 – costs$50,000
Winter Drake – Reach Level 40 – costs$250,000
Winter Elena – Reach Level 30 – costs $100,000
Winter Flynn – Reach Level 30 – costs $100,000
Zoran Lazarevic – Reach Level 40 – costs $250,000
Zorskel – Reach Level 10 – costs $20,000