Completed games means finished campaign/all main levels (rogue-like requires at least 1 completed playthrough)
⭐means %100 achievements or if a game doesn't have achievements then completing all the content the game has to offer.

Full Completion List [www.backloggd.com]
Total: 138

10 Second Ninja X
12 is Better Than 6
Absolver
ABZÛ
Antichamber
Aragami
Atomic Heart
Battlefield 1
The Binding of Isaac: Rebirth
Borderlands GOTY Enhanced
Call of Duty (2003)
Call of Duty: World at War
Call of Duty: Black ops 3
Call of Duty: Modern Warfare (2019)
Call of Duty: Modern Warfare II
Carmageddon
Clustertruck ⭐
Code Vein
Counter-Strike: Global Offensive ⭐
Counter-Strike 2 ⭐
Dark Souls: Remastered ⭐
Dark Souls II: Scholar of the First Sin ⭐
Dark Souls III ⭐
Elden Ring + DLC⭐
Deepest Sword ⭐
DLC Quest
Dragon Warrior I & II
Forza Motorsport (2005)
Forza Motorsport 2
Forza Horizon 3: Hot Wheels ⭐
Dead Island
Dead Island: Riptide
Dead Rising 2
Dead Rising 3
Distance ⭐
Doki Doki Literature Club
DOOM (1993)
DOOM (2016)
DOOM Eternal
Dying Light ⭐
Dying Light 2
Earn to Die 2
Fallout
Farcry 5
FlatOut 2⭐
FlatOut: Ultimate Carnage
The Forest
Sons of The Forest
Generation Zero
Getting Over It with Bennett Foddy
Gunfire Reborn
Half-Life ⭐
Half-Life: Blue Shift ⭐
Half-Life: Opposing Force ⭐
Half-Life: Alyx
Halo MCC - Reach
A Hat in Time
Helldivers 2 ⭐
Helltaker ⭐
The Henry Stickmin Collection ⭐
Hentai Jigsaw Puzzle ⭐
HoloCure
Learn to Fly
Learn to Fly 2
Learn to Fly 3 ⭐
LEGO Batman 2 ⭐
The LEGO Movie Videogame
Magicka
McPixel
Metro 2033 Redux
Metro: Last Light Redux
Minecraft
Moon Hunters
Morkredd
Mr Shifty
Neodash ⭐
Old Man's Journey ⭐
Ori and the Blind Forest: Definitive Edition
Ori and the Will of the Wisps
Owlboy
Paint the Town Red
Peaks of Yore
A Plague Tale: Innocence
Plants vs. Zombies
Pokemon Red
Pokemon Crystal
Pokemon Emerald
Pokemon Diamond
Pokemon Platinum
Pokemon HeartGold
Pokemon X
Pokemon Omega Ruby
Pokemon Sun
Portal
Portal with RTX
Portal 2
Portal Reloaded ⭐
Portel Stories: Mel
Quantum Break
Receiver 2
Red Dead Redemption 2
Refunct ⭐
Remnant: From the Ashes
Resident Evil 7 Biohazard
Resident Evil Village
Risk of Rain 2 ⭐
Risk of Rain Returns
Plants vs. Zombies
RUINER
Serious Sam: Fusion - The First Encounter
Shotgun King: The Final Checkmate
Super Smash Bros. Brawl
Super Smash Bros. Ultimate
Sniper Elite 4
Sniper Elite 5
SOMA ⭐
Spaceplan
The Stanley Parable
The Stanley Parable: Ultra Deluxe
Strike Force Heroes
Subnautica ⭐
SUPERHOT
Superliminal
Terraria
Trackmania Original (2005)
Trackmania Sunrise
Twelve Minutes
Wallpaper Engine ⭐
We Were Here ⭐
Yakuza 0
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Above games are unsorted since I started this list, below games will be in order of completion
---------------------------------------------------------------------------------------------------------
Katana Zero
Flatout
Grounded
Unravel
Pocket Waifu: Desktop Pet ⭐
AER Memories of Old
Almost There: The Platformer
DESORDRE ⭐