Selling Xbox one account

Looking to sell my UK Xbox one account , have no idea of how much it's worth but maybe someone could give me a round about figure games list Alan wake
Alien isolation
Ark
Assassins creed black flag
Rare replay collection
Battlefield 1
Beyond good and evil
Bioshock infinite
Borderlands trilogy
Broken sword 5
Burnout Paradise
Black ops 3
Modern warfare
Infinite warfare
World at war
Castlevainia SOTN
Chivalry
Counter strike GO
Dark souls
Dark souls 2
Dead rising 3
Dead space
Destiny 400 character all exotics and raid gear
Deus ex human revolution
Devil may cry 4
Dishonored definitive ed
Doom 2016
Doom
Doom 2
Dungeon siege 3
Dying light
Earth lock
Elite dangerous
Emily wants to play
Fallout 3
Fallout 4
Blood dragon
Far cry 4
Final Fantasy 15
Forza horizon
Forza 5
Gears 1,2,3,4 and judgement
Gta 5
Halo 5
Master chief collection
Halo reach
Halo Spartan assault
Just cause 2
Killer instinct
Lifeless planet
Lots of the fallen
Lost Odyssey
Metro redux
Minecraft
Mirrors edge
Murdered soul suspect
Oblivion
Olli Olli
Outlast
Peggle 1and 2
Project cars
Raman legends
Red dead
Resident Evil 1 , 4 , 5 , 6
Resident Evil revelations 2
Rise of the tomb raider
Rocket league
Saints Row 5
Sheltered
Shovel knight
Sleeping dogs
Slender
Sniper elite 3
Sonic 1 and 2
Spelunky
Star Wars battle front
State of decay
Sunset overdrive
Tales from the border lands
Rainbow 6 Vegas 1 and 2
Terraria
Binding of Issac
The bunker
The crew
Elder Scrolls online
The long dark
Solus
Telltale collection
Witcher 2 and 3
Thief
Titanfall
The division
Tomb raider
Trials fusion
Trials HD
We happy few
Wolfenstine old blood and new order
Xcom
Zombi
Advanced warfare