Here are the pre-release images from Pokemon Mystery Dungeon: Gates to Infinity. Click the thumbnail to view the picture:

September 14th/15th 2012
VS Archen
 
Awaking as Axew
 
Tepig
 
Oshawott
 
Snivy
 
Awaking as Axew
 
Receiving a mission from Dunsparce
 
Facing two Excadrill
 
Gurdurr Appears
 
Hydreigon Appears
 
Visiting Kecleon's Store
 
Scanning a CD
 
The Magnagate opens
 
Magnagate leads to a dungeon!
 
Pikachu on a cliffside
 
Pikachu & Axew
 
Virizion Appears
 
Within a cave
 
Against Pansage & Roggenrola
 
In a beach dungeon!
 
The stairs go up to the next level
 
Various tiles boost your stats
 
You sometimes find a locked door
 
Attacks are well animated
 
Pokémon can now have four moves
 
In a beach dungeon!
 
VS Zorua
 
VS Zorua
 
Finding stairs
 
Finding stairs
 
Pikachu is chosen
 
Falling from the sky!
 
Dewott has entered a dungeon!
 
October 14th/15th 2012
Moving in a cave
 
Having moved, the other Pokémon has moved
 
Attacking with the standard tackle
 
Selecting another move
 
Pikachu uses Thunderbolt
 
Pikachu calls upon a Team Skill
 
Everyone Attack - Mode activated
 
Everyone Attack - Pikachu's move
 
Dunsparce will join you
 
Emolga will join you
 
Hydreigon Appears
 
Pikachu calls upon a Team Skill
 
Pansear makes a shop
 
Pansear makes a shop
 
Pansage is growing Oran Berries
 
Watchog has opened a store
 
Beartic's Store
 
The mini-game at Beartic's Store
 
Quagsire's store allows you to check your members
 
Checking Sewaddle's stats
 
Scraggy's store allows you to remember moves
 
Azumarill monitors the  noticeboard for new missions
 
V-Roulette is running
 
Victini's Store
 
Kyurem Appears
 
Entering a Magnagate
 
Using a berry
 
Pikachu uses an item
 
It clears the area
 
Pikachu uses Thunder
 
Thunder is powered up
 
Thunder does more damage
 
Victini arrives
 
Quagsire comes to help out
 
Gurdurr is ready to build!
 
Timburr are Gurdurr's helpers
 
October 25th 2012
PokéForest DLC: Sneaking past sleeping Pokémon
 
PokéForest DLC: Collect as much money as possible
 
November 14th/15th 2012
Visiting Cofagrigus' Gold Gorgeous Store
 
Visiting Rampardos' store
 
In a standard Dungeon
 
Finding a locked door
 
Facing Terrakion in battle
 
Terrakion appears in the Pokémon Paradise
 
Finding Tornadus in a Dungeon
 
Finding Landorus in a Dungeon
 
Battling Zekrom at the end of a dungeon
 
Zekrom Appears
 
Zekrom Appears
 
Espeon & Umbreon make a discovery
 
Espeon & Umbreon open a gateway
 
Local play in the Pokémon Paradise
 
Four players are in a dungeon together
 
Four players are battling Reshiram
 
Entering a beautiful forest
 
Controlling Emolga in companion mode
 
Controlling Emolga in companion mode
 
Sending a Revival Seed
 
Helping Woobat create a store
 
Downloading DLC with Foongus
 
Collapsing in a dungeon