Brought a CAT-DEV off eBay. Not sure if it has prototype game builds on it or not : r/wiiu
Community - Retro - Hardware - Prototype Wii U Gamepad I recently procured. | NeoGAF
Wii X | Video Game Fanon Wiki | Fandom
Wii U's WiiPad controller resolution estimated at 854x480
Wii U GamePad | Nintendo | Fandom
Wii U GamePad prototype unleashed by Nintendo
Nintendo WII U GAMEPAD CONTROLLER ONLY WUP-010 white Black japan Please Read | eBay
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
Check Out This Wii U GamePad-Like Controller For Other Consoles - My Nintendo News
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
Nintendo Wii U GamePad Comparison: Before & After E3 2012 - YouTube
Up close with the Nintendo Wii U (videos and pictures) | VentureBeat
Wii U controller is officially the Wii U GamePad - Vooks
Wii U GamePad - Wikipedia
Nintendo's Wii U GamePad prototype revealed: Two Wii remotes, a display and some tape | Engadget
Wii U GamePad - Wikipedia
Community - Retro - Hardware - Prototype Wii U Gamepad I recently procured. | NeoGAF
Check Out This Early Wii U GamePad Prototype - IGN
Wii U GamePad Dimensions & Drawings | Dimensions.com
Nintendo reveals new Wii U details ahead of E3 | Ars Technica
Early Wii-U Prototypes - Wii U Wiki Guide - IGN
Rejected Wii prototype controller had touchscreen similar to Wii U GamePad | N4G
Wii U Prototype Gamepad vs Released Gamepad - Imgur
/cdn.vox-cdn.com/uploads/chorus_image/image/4625455/tall-gamepad.0.jpg "Nintendo's early Wii U experiments revealed - Polygon")