Trade/Sell 3DS and Xbox360 games

Games I Have

Xbox 360: Red Dead Redemption,  Dragon Age II (2) 

3DS: Conception II (2), Castlevania: Mirror of Fate, Meteos (NDS game playable on 3DS)

All games come with original cases and manuals. 

Edit (1/27/15): Monster Hunter 4 3DS demo code (1 available)

Want

3DS: Donkey Kong Country Returns, Kirby games

or X360 games: Metal Gear Rising/Revengeance, FF XIII-2, Assassins Creed III

Let me know what you're willing to trade/pay (360 and 3DS games) in return.

Bump with edit.