Tron legacy, Fallout NV and Dance of Dragons. Okay so in an apocalyptic world destroyed by nuclear/dragon war between the families of Westeros, your player is a digital program from the "Grid" (both created by Maester Aemon Tagaryen before his death) tasked with uniting the surviving population under a monarch of your choosing from one of the houses, e.g Stark, or taking the Iron throne for yourself.
Weapons: melee egs;
Identity disks,
Valyrian steel swords,
Tire Iron
Ranged egs; Cowboy repeater,
Grenade crossbow,
light gun
Mounts: Giant mutant Direwolf.
Dragon,
Light cycle
Character can also learn to use the WARG program written by Bran Stark, and inhabit the bodies of others particularly his Albino Direwolf companion; Ghost 2.0.