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