Unity (Official)
[ Link ] Unity Documentation and Manual
[ Link ] 2D Rogue-like Tutorial – YouTube Playlist from Unity
Full Games
[ Link ] Game development diary: 2d Rogue-like project
[ Link ] Unity Endless Runner – YouTube Playlist from GamesPlusJames
Version Control and GIT
[ Link ] The Complete guide to Unity & GIT from Gamasutra
Art
[ Link ] How to Pixel Art – YouTube Playlist from achebit
Indie Developers
[ Link ] Sebastian Lague
Brackeys
[ Link ] ThinMatrix
[ Link ] 3DBuzz.com Unity Training
[ Link ] TeamTreeHouse C#