To add to @GregRedd’s MEW Game of the Decade
What is your top 10 games of the decade? In no particular order.
After thinking about it for a short bit, mine is:
Red Dead Redemption 2
Mass Effect 2
Diablo 3
The Walking Dead
Bioshock Infinite
Dark Souls 3
Torment: Tides of Numenera
Life is Strange
The Elder Scrolls V: Skyrim
Hellblade: Senua’s Sacrifice
Dark Souls 3
Bioshock Infinite
GTA V
Spider-Man
Mass Effect 2
Diablo 3
Portal 2
Uncharted 4
Fallout 4
Borderlands 2
Alan Wake
Starcraft 2
DOOM
Metal Gear Solid V: Phantom Pain
Portal 2
Skyrim
Borderlands 2
Valkyria Chronicles 4
Driveclub
Battlefield 3
Some honourable mentions, that I can remember are: DOTA2, Bioshock: Infinite, CSGO, Overwatch, Witcher 3, Mass Effect 2, Undertale, Trails of Cold Steel, Company of Heroes 2, Dawn of War II, Battlefield 4, Transistor, GTA V, Bastion, Transistor, Tomb Raider, Destiny, Dragon Age 3 and Rocket League, Super Mario Galaxy 2, Diablo 3, Warframe, Melty Blood: Actress Again Current Code.
Tossing mine in here, in order:
Witcher 3
Portal 2
Mass Effect 2
Kentucky Route Zero
Bioshock Infinite
Dota 2
Battlefield 3
Dark Souls (series)
Assassin’s Creed Odyssey
DOOM
In no particular order*:
Destiny 1
Destiny 2
Singularity
Bulletstorm
Kingdoms of Amalur
Legend of Zelda: Breath of the Wild
GTA V
The Binding of Isaac
No Man’s Sky
Divinity: Original Sin
*amendments to be made as I remember games
I think this was easier than a GOTY choice where there you mostly had to take into account the enjoyment factor, whereas here I find myself making choices based on what the game did for the industry, taking inovation into account.
In no particular order:
Dark Souls
The Last of Us
The Legend of Zelda: Breath of The Wild
Minecraft
Nier: Automata
DOOM
Persona 5
Outer Worlds
Titanfall 2
Assassins Creed: Origins
My Honourable mentions:
Overwatch, DriveClub, Witcher 3, Bastion, Destiny, Divivinity: Original Sin, Apex Legends.
I’m sure there’s plenty others though, but these are some that matched the criterias I’ve mentioned above.
There’s a lot of games posted that I haven’t played yet. Will tackle Witcher 3 over the Christmas period.
Grand Theft Auto 5
Metal Gear Solid V: The Phantom Pain
StarCraft 2
Diablo 3
Witcher 3
Doom 2016
Divinity Original Sin 2
Dishonored 2
Batman Arkham City
Nier: Automata
Honourable mentions:
Control
Prey 2017
Factorio
And They are Billions which turned out not so great, but I did spend over 220 hours on it.
Lots of other awesome games I’ve left out, but I’ll be here all day.
if Eskom allows…
Welcome hoooooooooooooooooooooooooooome Havok! 
Witcher 3
Bloodborne
Borderlands 2 (and 3)
Legend of Zelda: Breath of the Wild
Nioh
Xenoblade Chronicles (counting both as one entry)
Dark Souls (counting the series as one entry)
The Last of Us
Mass Effect 2
Assassin’s Creed (this is a hard one, pretty much all of them released in the last decade except Syndicate and Odyssey)
*Subject to change, but those are the ones that come to mind. If I had to pick one AC game it would be Assassin’s Creed III, but I love pretty much all of them.
Others that could be interchangeable with some of the mentioned ones:
Bayonetta 2
Destiny (series)
Spider-Man
God of War
Yakuza (series, but 0 and/or Kiwami 2 specifically)
Dead Rising 3
Dragon Age Inquisition
Dishonered 2
Dragon’s Dogma
Welcome back, @Havok!
This was actually more difficult than I thought, especially when I start digging through my library.
These are games that could just as easily trade places with one of the games in the above list, if you ask me this same question on a different day:
Seeing as I have my list of my favourite games, it’s actually easy to just filter on the last decade and see the list of games. Here is mine in order:
Hahaha ja ja, I try to spread love wherever I go
Honourable Mentions
Dead or Alive 5 Last Round
Gears of War 4 and 5
Forza Horizon 3
Sunset Overdrive
Legend of Zelda BOW
Black Mesa
Life is Strange
the wolf among us
if uncharted 2 came out in 2010 instead of october 2009 it would also be on this list
In no particular order:
PUBG
iRacing
F1 2019
Uncharted 4
Life is Strange
Red Dead Redemption 2
Skyrim
The Wolf Among Us
The Walking Dead (Telltale)
Minecraft
I am not sure of some of these games’ release date, but it is what I have played the most in the last decade. Minecraft, for example, can be Bedrock Edition, which came out like 2 years ago.
I also LOVE story games which is why Telltale games feature so much. I see @DohcWP also likes them! 
You haven’t played Dark Souls?! What is wrong with you!?
I can’t beleive that of all the times we, or at least someone on our community has played it, that you still haven’t been able to.
Cities Skylines
Skyrim
Battlefield Bad Company 2
Borderlands 2
Portal 2
Alan Wake
Sleeping Dogs
Shadow Warrior (2013)
Deus Ex: Human Revolution
Rise of the Tomb Raider
My Top 10, in no particular order:
Assassins Creed Brotherhood
Portal 2
Hollow Knight
CS:GO
Apex Legends
Bastion
The Witcher 2
Guacamelee 1 & 2
Tales from the Borderlands
Hexcells (incl. Plus and Infinite)
Honourable Mentions:
Supraland
Dishonored
Dirt Rally
Witcher 3 (still must finish this, but when I do it will take the place of Witcher 2)
The Wolf Among Us
Middle Earth: Shadow of Mordor
Awesomenauts
Speedrunners
Batman Arkham City