Only 8 last year, but I think it is a lot considering how busy I am these days.

A few, DOOM being the most recent game to finish before the end of 2016.

Deux ex: Man kind divided
Kirby planet robobot
wind waker HD remake
gunman clive
xenoverse 2
assassins creed chronicles: China
pokemon moon
digimon cyber sleuth
muramas rebirth
bound
arkham knight

PC: 1
-Undertale

PS4: 3
-Street Fighter V
-Uncharted 3 Remastered
-Assassin's Creed Syndicate

Wii U: 3
-Bayonetta 2
-Splatoon
-Yoshi's Woolly World

PSVita: 2
-Steins;Gate 0
-Steins;Gate

3DS: 10
-Pokemon Sun
-Dragon Quest VII: Fragments of the Forgotten Past
-Kirby Planet Robobot
-The Legend of Zelda: Majora's Mask 3D
-Fire Emblem Fates Birthright
-Fire Emblem Fates Conquest
-Fire Emblem Fates Revelations(Twice)
-Pokemon Super Mystery Dungeon
-Kid Icarus Uprising
-Phoenix Wright: Ace Attorney

PSP: 1
-Persona 3 Portable

DS: 6
-Dragon Quest V: Hand of the Heavenly Bride
-999: Nine Hours, Nine Persons, Nine Doors
-Dragon Quest VI: Realms of Revelations
-Pokemon Soul Silver(Replay)
-Dragon Quest IX: Sentinels of the Starry Skies
-Pokemon Mystery Dungeon: Explorers of Sky

GBA: 4
-Fire Emblem: Binding Blade
-Fire Emblem(Replay)
-Pokemon Leaf Green(Replay)
-Fire Emblem: The Sacred Stones

N64: 1
-Kirby 64: The Crystal Shards(Replay)


So that's a total of 31 games this year.

13:

Until Dawn
Divinity: Original Sin
The Binding of Isaac
Life is Strange
Uncharted 4
Shovel Knight
Wasteland 2
ZOMBI
Heroes of Might and Magic 3
Heroes of Might and Magic 2
Odin Sphere Leifthrasir
Alienation
Steamworld Dig

Finished games eh?  Let's see...

Steam
Borderlands 2

Xbox One
Halo 5
Gears of War 4

PS Vita
Danganronpa
Danganronpa 2
Danganronpa: Ultra Despair Girls
The Walking Dead
Dungeon Travelers 2
Senran Kagura Bon Appetit
Criminal Girls 2
My Name is Mayo

PS4
Final Fantasy VII
Until Dawn
The Division
Ratchet and Clank
Bioshock
Bioshock 2
My Name is Mayo
Final Fantasy XV
Watch Dogs 2
Batman Telltale
Batman: Return to Arkham - Arkham Asylum
Tales from the Borderlands
Dragonball Xenoverse 2
Dust: An Elysian Tail

Italic games are Platinumed/100%.  Others are not.  Only played a handful of others through the year.  Finished many more than I didn't.

 Completed: The Legend of Zelda: A Link to the Past  (SNES)

 Completed: Final Fantasy VI  (SNES)

 Beat: Pokemon Sun  (3DS)

 Completed: 7th Dragon III Code: VFD  (3DS)

 Beat: Metal Gear Solid 2: Sons of Liberty  (PS2)

 Beat: Paper Mario Color Splash  (WiiU)

 Complete: Chase: Cold Case Investigations ~Distand Memories~  (3DSDL)

 Completed: Castlevania III: Dracula's Curse  (NES)

 Completed: Project X Zone  (3DS)

Beat: Senran Kagura 2 Deep Crimson  (3DS)

 Beat: Sonic Advance  (GBA)

 Completed: Castlevania: Rondo of Blood  (TG16)

 Beat: Atelier Ayesha Alchemist of Dusk  (PS3)

 Beat: Atelier Totori: The Adventurer of Arland  (PS3)

 Beat: Devil May Cry 4  (360)

Beat: Devil May Cry 3: Dante's Awakening Special Edition (PS2)

 Beat: Devil May Cry  (PS2)

 Completed: Kirby: Planet Robobot  (3DS)

 Beat: Rhythm Heaven  (NDS)

 Beat: Megaman 9  (WW)

 Beat: Kirby's Dream Land 2  (GB)

 Beat: Atelier Rorona: The Alchemist of Arland  (PS3)

 Completed: Yoshi's Woolly World  (WiiU)

 Beat: Metal Gear Rising Revengeance  (PS3)

 Beat: Fire Emblem  (GBA)

 Beat: Star Fox Zero  (WiiU)

 Completed: Xenoblade Chronicles X  (WiiU)

 Beat: Tales of Phantasia  (GBA)

Completed: Ace Attorney Phoenix Wright Spirit of Justice (3DS)

And I think that is all

56!
1. Crash Bandicoot 8.5/10
2. Crash 2 9/10
3. Crash 3 9.5/10
4. Steins Gates 9/10
5. Max Payne 8/10
6. 999 8.5/10
7. Ghost Trick 9/10
8. Deadpool 7/10
9. Peggle 2 8/10
10. Day of the Tentacle 8/10
11. Bully 9/10
12. Tearaway Unfolded 8.5/10
13. Valkyria Chronicles Remastered 8.5/10
14. Bayonetta 8/10
15. Splatoon 8 /10
16. Gone Home 8/10
17. Super Mario 3D World 9.5/10
18. Mario Kart 8 9/10
19. Saints Row Gat outa Hell 7/10
20. Destiny The Taken King 8.5/10
21. Steamworld Dig 8/10
22. Resident Evil 4 9.5/10
23. Super Smash Bros 9/10
24. Bioshock 9.5/10
25. Blue Estate 6/10
26. Gravity Rush Remastered 8/10
27. Entwined 6/10
28. Everyone’s Gone to the Rapture 7/10
29. Heavy Rain 8.5/10
30. Modern Warfare Remastered 9/10
31. Rise of the Tomb Raider 9/10
32. The Witness 8/10
33. Naruto Ninja Storm 4 8/10
34. Far Cry Primal 7/10
35. The Division 8/10
36. Ratchet and Clank 8.5/10
37. Dark Souls 3 9.25/10
38. Uncharted 4 10/10
39. Overwatch 8/10
40. Mirror’s Edge Catalyst 7.5/10
41. Zero Time Dilemma 8/10
42. Stories Path of Destiny 6.5/10
43. Deus Ex Mankind Divided 8.5/10
44. Attack on Titan 7.5/10
45. Batman Arkham VR 7/10
46. Playstation VR Worlds 6.5/10
47. Battlefield 1 8.5/10
48. Infinite Warfare 8/10
49. Watch Dogs 2 8.5/10
50. Firewatch 8/10
51. Batman Telltale Game 8/10
52. Inside 9.5/10
53. Doom 9/10
54. The Last Guardian 9.5/10
55. Final Fantasy XV 8.5/10
56. Ace Attorney Spirit of Justice 8/10

Metal Gear Solid 4, PS3
Beavis & Butt-Head, Genesis
Streets of Rage 2, Genesis
Mega Man 8, but I can't remember if I finished the PS1, or Saturn version.
Mega Man X4, PS1

Fighting games like Tekken don't actually end. Makes no sense to say you've completed a fighter as there's always something to learn, or re-learn. One simply retires.

Some of us only play fighting games for the story mode.  For example, I finished Mortal Kombat X last year.