Oh, this will be fun! I'll try this out too! x )

Game Of The Year 
The Witcher 3 (Where is Splatoon? Seriously...)

Developer Of The Year
Nintendo (I'd say Bathesda or From Software, but thinking about of work Ninten did this year, I gotta give it to them)

Best Independent Game
Undertale (Too in love with this game)

Best Mobile/Handheld Game
Monster Hunter 4: Ultimate (seems like the most fun and bag for your buck)

Best Narrative
Until Dawn (seems like it is the game's strongest point)

Best Score/Soundtrack
Ori And The Blind Forest

Best Performance
(I know nothing about these)

Games For Change
Undertale

Best Shooter
Splatoon

Best Action/Adventure
MGSV: TPP

Best RPG
The Witcher 3 (Reeeeeeeally wanna say Undertale...)

Best Fighting Game
Guilty Gear Xrd -SIGN-

Best Family Game
LEGO Dimensions

Best Sports
Rocket League

Best Multiplayer
Rocket League

Best Art Direction
Ori And The Blind Forest

Fan's Choice (Splatoooooooon, or Undertale)

Esports Game Of The Year
(no clue)

Best Fan Creation
???

Trending Gamer
Markiplier

Esports Team Of The Year
???

Esports Player Of The Year
???

Most Anticipated Game
(Zelda U is missing. Zelda U!)

A shame these are happening before the true game of the year is released: XCX. At least Mario Maker got its deserved GOTY nom. 

I am missing some games in the list but I still want to give my opinion. ^^ :P

Game Of The Year
The Witcher 3 (sorry Bloodborne)

Developer Of The Year
From Software

Best Independent Game
Rocket League

Best Mobile/Handheld Game
Monster Hunter 4: Ultimate

Best Narrative
The Witcher 3

Best Score/Soundtrack
The Witcher 3

Best Performance
Doug Cockle as Geralt (The Witcher 3)

Best Shooter
Call of Duty: Black Ops III

Best Action/Adventure
Rise Of The Tomb Raider

Best RPG
The Witcher 3

Best Fighting Game
Mortal Kombat X

Best Family Game
Super Mario Maker

Best Sports
FIFA 16

Best Multiplayer
Call of Duty: Black Ops III

Best Art Direction
The Witcher 3

Most Anticipated Game
Uncharted 4

Game Of The Year
The Witcher 3

Developer Of The Year
CD Projekt Red

Best Narrative
Life is Strange

Best Score/Soundtrack
The Witcher 3

Best Performance
Ashly Burch as Chloe Price (Life is Strange)

Games For Change
Life is Strange

Best Action/Adventure
Batman: Arkham Knight

Best RPG
The Witcher 3

Best Art Direction
Bloodborne

Most Anticipated Game
Horizon Zero Dawn
Quantum Break                                        TIE
Uncharted 4

Game Of The Year
Fallout 4

Developer Of The Year
Nintendo

Best Independent Game
Undertale (close to Ori)

Best Mobile/Handheld Game
Monster Hunter 4: Ultimate

Best Narrative
Life is strange

Best Score/Soundtrack
Ori and the blind forest 

Best Performance
Viva Seifert (Her Story)

Best Shooter
Splatoon

Best Action/Adventure
Rise Of The Tomb Raider

Best RPG
Fallout 4

Best Fighting Game
Guilty Gear Xrd

Best Family Game
Super Mario Maker

Best Sports
Rocket League

Best Multiplayer
Splatoon

Best Art Direction
Bloodborne

Most Anticipated Game
Uncharted 4   The Legend Of Zelda U

It's a small Japanese game, so that pretty much instantly disqualifies it.