Wii U's WiiPad controller resolution estimated at 854x480 | Engadget
Nintendo Wii U GamePad Comparison: Before & After E3 2012 - YouTube
I've compared the prototype E3 gamepad against the retail version. Nintendo did make some changes after the E3 in 2011 when they exhibited the console. : r/wiiu
Early Wii-U Prototypes - Wii U Wiki Guide - IGN
Wii U GamePad - Wikipedia
E3 2012: Meet The Wii U GamePad | Nintendo Life
News: Wii U controller details revealed ahead of E3
Community - Retro - Hardware - Prototype Wii U Gamepad I recently procured. | NeoGAF
Wii U GamePad - Wikipedia
Wii Games Are Playable On The Wii U GamePad? - My Nintendo News
Wii U GamePad Dimensions & Drawings | Dimensions.com
Wii U GamePad | Wii u, Wii, Industrial design sketch
Nintendo Shows Off Its Wii U Prototype - Game Informer
Wii U Prototype Gamepad vs Released Gamepad - Album on Imgur
Twitter 上的Nintendo4Life87："This is a very rare WiiU prototype gamepad (DK2-E3-CD(W)) that was demonstrated at the E3 in 2011 to reveal the new console. https://t.co/bRrFuK0YXb" / Twitter
![Nintendo Kicks Off E3 With Wii U GamePad and More [#E32012] – G Style Magazine](https://i0.wp.com/gstylemag.com/wp-content/uploads/2012/06/Wii-U-GamePad1.jpg "Nintendo Kicks Off E3 With Wii U GamePad and More [#E32012] – G Style Magazine")
Nintendo Kicks Off E3 With Wii U GamePad and More [#E32012] – G Style Magazine
Cross Plane: It's Like a Wii U Gamepad... For Everything | USgamer
The Nintendo Wii U: Virtual Reality Gameplay Prototype? – Colin McMahon
Close-Up Look at the Wii U Controller (E3 2011) - YouTube
Wii U GamePad | Nintendo | Fandom
Wii U GamePad prototype unleashed by Nintendo
Rumor: Nintendo working on cartridge for 3DS to allow Wii U control - NintendoToday
Iwata Asks: Wii U GamePad prototype was two WiiMotes taped to a monitor | VG247
Check Out This Early Wii U GamePad Prototype - IGN
Nintendo's pre-E3 announcement sheds light on Wii U Gamepad - A+E Interactive
Nintendo unveils the Wii U system - CNN.com
