Here are the pre-release images from Pokemon X & Y. Click the thumbnail to view the picture:

January 8th 2013
Running in town
 
Entering a  village from a route
 
Entering a desert
 
Female trainer running from a castle
 
Chespin prepares to attack
 
Fennekin uses Flamethrower
 
Froakie prepares to attack
 
Froakie attacks Patrat
 
Litwick VS Psyduck
 
Weavile VS Audino
 
Wild Pikachu Appears
 
Golurk is hit
 
The male character at a mirror
 
Swinging on a rope
 
The female character running along a river
 
Chespin Appears
 
Kirlia VS Fennekin
 
Running in a forest with a girl following
 
The floor of a Gym falls in on the female trainer
 
The male character falls onto a web in a gym
 
A room with pillars of flames
 
January 14th 2013
Battle
 
Battle
 
Battle
 
Battle
 
Battle
 
Fennekin uses Battle
 
February 14th 2013
Sylveon in Battle
 
Sylveon in Battle
 
Sylveon in Battle
 
Sylveon in Battle
 
Sylveon in Battle
 
April 6th 2013
Mewtwo in Battle
 
Mewtwo  in Battle
 
Mewtwo  in Battle
 
Mewtwo  in Battle
 
Mewtwo  in Battle
 
Mewtwo  in Battle
 
May 14th 2013
Pancham in battle
 
Helioptile in battle
 
Gogoat in battle
 
Fletchling in battle
 
Female trainer riding Gogoat
 
The male trainer in Lumiose City
 
Helioptile uses Parabolic Charge
 
Fletchling uses Flame Charge
 
Pancham uses Parting Shot
 
Gogoat uses Horn Leech
 
The male trainer in the grass
 
Male trainer riding Gogoat
 
The male trainer near a Roselia fountain
 
The female trainer in front of a Hiker
 
Entering Route 2
 
The male trainer in Lumiose City
 
The female  trainer in Lumiose City
 
The female trainer in Lumiose City
 
The male trainer selection
 
The female trainer selection
 
Customising the male trainer
 
Customising the female trainer
 
Running down a floral path
 
Running down a floral path
 
Trainers in a route
 
Wild Fletchling Appears
 
Entering a forest
 
Being challenged in a forest
 
Lass Anna challenges
 
Diagonal movement
 
Diagonal movement
 
Chespin at Level 5
 
Chespin learned Rollout
 
Chespin VS Fletchling
 
Chespin VS Fletchling
 
Fennekin at Level 5
 
Fennekin learned Howl
 
Froakie at Level 5
 
Throwing a PokéBall
 
Fletchling is captured
 
Fletchling broke out
 
Argh! Almost had it!
 
Fennekin uses Ember on Helioptile
 
Froakie uses Bubble on Pancham
 
Picking your starter
 
The Pokédex
 
Chespin in the Pokédex
 
June 11th 2013
Noivern Appears in Battle
 
Noivern uses Boomburst
 
Vivillon appears
 
Vivillon uses Struggle Bug
 
Sylveon's Fairy-type is super effective on Dragons
 
Sylveon's Fairy-type is super effective on Dragons
 
Snorlax in Pokémon Amie
 
Tyranitar in Pokémon Amie
 
Petting Pikachu in Pokémon Amie
 
Pikachu in Pokémon Amie
 
Mimicking Pikachu in Pokémon Amie
 
Shaking hands with Pikachu in Pokémon Amie
 
Angering Pikachu in Pokémon Amie
 
Pikachu VS Fletchling
 
Pikachu VS Fletchling
 
Feeding Sylveon in Pokémon Amie
 
Zoroarkin Pokémon Amie
 
Lucario in Pokémon Amie
 
Talonflame Appears in Battle
 
Talonflame prepares to attack
 
Skrelp Appears in Battle
 
Skrelp uses Sludge Bomb
 
Clauncher Appears in Battle
 
Clauncher uses Crabhammer
 
A Horde of Axew appears
 
Chespin VS five Axew
 
A Tauros Horde appears
 
Miltank is also a part of this Horde
 
Some moves can hit all Pokémon
 
You get a lot of EXP for taking out all the Pokémon at once
 
Being challenged to a Sky Battle
 
Being challenged to a Sky Battle
 
A battle in the sky
 
You can play the game in one of seven languages
 
The PSS on the touchscreen allows for communication
 
With the PSS, you can battle instantly
 
Pokémon X & Y
 
Farewell Pikachu
 
A trade occurs
 
Welcome Eevee
 
June 14th 2013
Scatterbug Appears
 
Scatterbug uses String Shot
 
Spewpa Appears
 
Spewpauses Protect
 
Litleo Appears
 
Litleo uses Noble Roar
 
Flabébé Appears
 
Flabébé uses Fairy Wind
 
Sylveon uses Moonblast
 
Santalune City Gym
 
Santalune City Gym
 
Santalune City Gym Leader Viola
 
Meeting Alexa
 
Being shown the meeting place
 
Shauna is eager to start her journey
 
Shauna nicknames you
 
Meeting Tierno
 
Trevor gives you the Pokédex
 
Parting ways at Route 3
 
Heading to a forest with your rivals
 
Meeting Calem
 
Meeting Serena
 
Meeting Shauna
 
Trevor checks your Pokédex
 
Tierno is a dancer
 
Receiving the Rollerskates
 
Skating in town
 
Rhyhorn is outside your home
 
Running under an arch
 
By a hiker
 
Scatterbug is evolving
 
July 5th 2013
Honedge enters battle
 
Honedge uses Swords Dance
 
Honedge uses Swords Dance
 
July 12th 2013
Pangoro Appears
 
Pangoro uses Hammer Arm
 
Pangoro uses Hammer Arm
 
Spritzee Appears
 
Spritzee uses Aromatherapy
 
Spritzee uses Aromatherapy
 
Swirlix Appears
 
Swirlix uses Draining Kiss
 
InkayAppears
 
Inkay uses Topsy-Turvy
 
Malamar Appears
 
Malamar uses Hypnosis
 
Xerneas  Appears
 
Xerneas  uses Geomancy
 
Xerneas' Fairy Aura activates
 
Yveltal Appears
 
Yveltal uses Oblivion Wing
 
Yveltal's Dark Aura activates
 
Haunter is traded
 
Haunter is evolving
 
Haunter is evolving
 
Haunter evolved into Gengar
 
Choosing the Thunder Stone
 
Pikachu is evolving
 
Pikachu evolved into Raichu
 
Team Flare's Grunts challenge you
 
Team Flare appears
 
Team Flare following their plan
 
Gym Leader Grant
 
Gym Leader Grant
 
Gym Leader Clemont
 
Gym Leader Clemont
 
Gym Leader Clemont's sister Bonnie
 
Professor Sycamore
 
Professor Sycamore
 
Photo settings
 
Finding a photo spot
 
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
The PSS Menu
 
PThe PSS Menu
 
Pokémon Global Link news on the Holo Caster
 
Calling Tierno on the Holo Caster
 
Calling Sycamore on the Holo Caster
 
Battle Spot Details
 
GTS - Searching
 
GTS - Searching
 
GTS - Details
 
GTS - Details
 
GTS - Trading
 
Wonder Trade
 
Wonder Trade
 
O-Powers
 
O-Powers
 
O-Powers
 
O-Powers
 
O-Powers
 
O-Powers
 
Messaging friends
 
Messaging friends
 
July 20th 2013
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
July 24th 2013
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
July 27th 2013
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
August 9th 2013
Bunnelby appears in battle
 
Bunnelby appears in battle
 
Bunnelby uses Dig
 
Dedenne appears in battle
 
Dedenne appears in battle
 
Dedenne appears in battle
 
Dedenne uses Nuzzle
 
Skiddo appears in battle
 
Skiddo appears in battle
 
Skiddo appears in battle
 
Skiddo uses Leaf Blade
 
Skiddo being ridden in a farm
 
Skiddo being ridden in a farm
 
Skiddo can jump ledges
 
Meeting Korrina later on
 
Korrina in her gym
 
Battling Korrina
 
Outside the Tower of Mastery
 
Mewtwo appears in battle
 
The Mega Evolution begins
 
The Mega Evolution begins
 
Mega Mewtwo emerges
 
Mega Mewtwo in battle
 
Mega Mewtwo in battle
 
Mega Mewtwo in battle
 
The Lucarionite Item
 
The Lucarionite Item
 
Mega Lucario appears in battle
 
Mega Lucario appears in battle
 
Mega Lucario appears in battle
 
Mega Lucario prepares to attack
 
Mega Lucario uses Close Combat
 
Torchic appears in battle
 
Torchic's Hidden Ability activates
 
The event Torchic's stats
 
The Blazikenite Item
 
Mega Blaziken appears in battle
 
Mega Blaziken appears in battle
 
Mega Blaziken prepares to attack
 
Mega Blaziken's Blaze Kick hits
 
Accessing Super Training
 
The Super Training Minigame
 
The Super Training Minigame
 
The Super Training Minigame
 
The Super Training Minigame
 
Putting Pikachu into Core Training
 
Pikachu's Effort Values have increase
 
Mewtwo's Effort Values
 
August 12th 2013
Mega Ampharos Appears
 
Mega Ampharos Appears
 
Mega Ampharos charges a move
 
Mega Ampharos uses Signal Beam
 
Mega Ampharos
 
Mega Absol Appears
 
Mega Absol Appears
 
Mega Absol uses Slash
 
Mega Absol uses Slash
 
Mega Mawile Appears
 
Mega Mawile Appears
 
Mega Mawile Appears
 
Mega Mawile uses Iron Head
 
Mega Mawile uses Iron Head
 
August 17th 2013
Demo - In the tall grass
 
Demo - Speaking to Alexa
 
Demo - A Fletchling is in the background
 
Demo - Running in a route
 
Demo - Riding a Skiddo
 
Demo - Riding a Skiddo
 
Demo - Fennekin in Pokémon Amie
 
Demo - Froakie in Pokémon Amie
 
Demo - Chespin in Pokémon Amie
 
Demo - A wild Pikachu appears
 
Demo - Froakie VS Pikachu
 
Demo - Speaking to Sycamore
 
Demo - Mega Mewtwo VS Dragonite
 
Demo - Mega Mewtwo uses Psystrike
 
September 4th 2013
Selecting A Kanto Starter
 
Bulbasaur Appears
 
Mega Venusaur Appears
 
Mega Venusaur Appears
 
Mega Venusaur uses Frenzy Plant
 
Frenzy Plant Hits
 
Charmander Appears
 
Mega Charizard Appears
 
Mega Charizard Appears
 
Mega Charizard Appears
 
Mega Charizard uses Blast Burn
 
Blast BurnHits
 
Squirtle Appears
 
Mega Blastoise Appears
 
Mega Blastoise Appears
 
Mega Blastoise uses Hydro Cannon
 
Hydro Cannon Hits
 
Transferring a box of Pokémon
 
Mega Evolution
 
Mega Evolution
 
Mega Evolution
 
Mega Evolution
 
Mega Evolution
 
Mega Evolution
 
Mega Evolution
 
Mega Evolution
 
Mega Evolution
 
Mega Evolution
 
September 12th 2013
Pyroar Appears
 
Pyroar Appears
 
Pyroar uses Echoed Voice
 
September 13th 2013
Quilladin Appears
 
Quilladin Appears
 
Quilladin uses Mud Shot
 
Quilladin uses Mud Shot
 
Braixen Appears
 
Braixen Appears
 
Braixen prepares to attack
 
Braixen prepares to attack
 
Braixen uses Psyshock
 
Braixen uses Psyshock
 
Frogadier Appears
 
Frogadier Appears
 
Frogadier uses Bounce
 
Frogadier uses Bounce
 
Frogadier uses Bounce
 
Furfrou Appears
 
Furfrou Appears
 
Furfrou uses Baby-Doll Eyes
 
A Furfrou Form
 
A Furfrou Form
 
A Furfrou Form
 
Male Meowstic Appears
 
Female Meowstic Appears
 
Meowstic in a Double Battle
 
Male Meowstic uses Miracle Eye
 
Meowstic prepares to attack
 
Female Meowstic uses Extrasensory
 
Female Meowstic uses Extrasensory
 
Female Pyroar Appears
 
Female Pyroar Appears
 
Reviving A Fossil
 
Tyrunt Appears
 
Tyrunt Appears
 
Tyrunt prepares to attack
 
Tyrunt uses Crunch
 
Amaura Appears
 
Amaura Appears
 
Amaura Appears
 
Amaura uses Aurora Beam
 
Amaura uses Aurora Beam
 
Mega Mewtwo X Appears
 
Mega Mewtwo X Appears
 
Mega Mewtwo X Appears
 
Mega Mewtwo X uses Giga Impact
 
Mega Mewtwo X uses Giga Impact
 
Mega Garchomp Appears
 
Mega Garchomp Appears
 
Mega Garchomp uses Dragon Claw
 
Mega Garchomp uses Dragon Claw
 
A Flabébé form
 
A Flabébé form
 
A Flabébé form
 
Meeting Diantha
 
Meeting Diantha
 
Meeting Team Flare Scientists
 
Meeting Xerosic
 
Meeting Xerosic
 
Inside a clothing boutique
 
Inside a clothing boutique
 
Inside a hair salon
 
A male customisation
 
A male customisation
 
A female customisation
 
A female customisation
 
A male customisation
 
Customisation in the PSS
 
Trainer PR Video
 
Trainer PR Video
 
Trainer PR Video
 
Trainer PR Video
 
Trainer PR Video
 
Trainer PR Video
 
September 19th 2013
Aurorus Appears
 
Aurorus Appears
 
Aurorus Appears
 
Aurorus uses Freeze-Dry
 
Tyrantrum is frozen
 
Tyrantrum Appears
 
Tyrantrum Appears
 
Tyrantrum Appears
 
Tyrantrum uses Head Smash
 
Tyrantrum uses Head Smash
 
September 25th 2013
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
October 2nd 2013
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
October 3rd 2013
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y
 
Pokémon X & Y