This is just a list for myself, keeps me motivated
Games with asterisk have no steam achievements, but I completed them 100% regardless

1 Screen Platformer
198X
20 Minutes Till Dawn
200% Mixed Juice!
A Hat in Time
Acceleration of SUGURI 2
Ace of Seafood
All You Can Eat
AMID EVIL
Among Us
Ann
Antichamber*
APE OUT
Apewar
Aragami
Arcade Moonlander
Armored Hunter GUNHOUND EX
Atomicrops
Awaria
The Basement Collection
Baba is You
Bad North
Balancelot
Balatro
Barro
Batman: Arkham Asylum GOTY Edition
Battle Grid
Behold the Kickmen
Binding of Isaac
Binding of isaac: Rebirth
BIRDHOUSE*
Black Mesa
Blackout Z: Slaughterhouse Edition
Blasphemous
Blood: Fresh Supply
Bombshell
Borderlands 2
Borderlands 3
Borderlands: The Pre-Sequel
Borderlands GOTY
Borderlands GOTY Enhanced
BRAZILIAN DRUG DEALER 3: I OPENED A PORTAL TO HELL IN THE FAVELA TRYING TO REVIVE MIT AIA I NEED TO CLOSE IT
Bridge Constructor Playground
BRINK
Broforce
Broken Armor
Brotato (all D5 on normal and DLC)
Buckshot Roulette
Call of Juarez Gunslinger
Carpe Diem
Cat Lady
Celeste
Classic Marathon
Classic Marathon 2
Colt Canyon
Counter-Strike: Global Offensive
Crimsonland
Cruelty Squad
Cube Link
Cube Runner
Cuphead
The Dandelion Girl: Don't you remember me?*
DARK SOULS
DARK SOULS II: Scholar of the First Sin
Darkest Dungeon
Darkness II
Danganronpa: Trigger Happy Havoc
Danganronpa 2: Goodbye Despair
Danganronpa V3: Killing Harmony
Dead Cells
DEADBOLT
Dear Esther: Landmark Edition
Death Fungeon
The Deed
Deep Dungeons of Doom
Deep Rock Galactic: Survivor
DEEP SPACE WAIFU
DESYNC
Devolver Bootleg
Dicey Dungeons
Dishonored
Dishonored 2
Dishonored: Death of the Outsider
Doki Doki Literature Club*
Dome Keeper
Domina
Donut County
Doom 64
Downwell
Dr.Langeskov
DREAMWILD
Dungeon Escape
DUSK
E.Y.E: Divine Cybermancy
Elder Scrolls V: Skyrim
ENA: Dream BBQ
ENDER LILIES: Quietus of the Knights
Everhood
The Endless Empty
Enter the Gungeon
Entropy : Zero
Entropy : Zero 2
Escape from Tethys
Fallout: New Vegas
FALLSTRUKTUR
Fantasy Battles
Fez
Fingered
Firewatch
Fistful of Frags
Five Nights at Freddy's*
Flux8
Forager
Force Reboot
Friday the 13th: Killer Puzzle
Frog Detective 1: The Haunted Island
Frog Detective 2: The Case of the Invisible Wizard
Frog Detective 3: Corruption at Cowboy County
FTL: Faster Than Light
Furi
Gato Roboto
Getting Over It with Bennet Foddy
Gods Will Be Watching
GoNNER
Grand Theft Auto: San Andreas*
Gun Godz
Gunfire Reborn
Hades
Halls of Torment
Half-life*
Half-life: Source*
Half-life: Blue Shift*
Half-life Opposing force*
Half-life 2
Half-life 2: Episode One
Half-life 2: Episode Two
Half-life 2: Update
Hatred
Haunted Island, a Frog Detective Game
Haunt the House: Terrortown
Hell Yeah!
Hello Charlotte: Requiem Aeternam Duo*
Hello Charlotte: Childhood's End
Helltaker
Hexalogic
Higurashi When They Cry Hou - Ch.1 Onikakushi
Higurashi When They Cry Hou - Ch.2 Watanagashi
Higurashi When They Cry Hou - Ch.3 Tatarigoroshi
Higurashi When They Cry Hou - Ch.4 Himatsubushi
Higurashi When They Cry Hou - Ch.5 Meakashi
Higurashi When They Cry Hou - Ch.6 Tsumihoroboshi
Higurashi When They Cry Hou - Ch.7 Minagoroshi
Higurashi When They Cry Hou - Ch.8 Matsuribayashi
Hollow Knight
HOOK
Hotline Miami
Hotline Miami 2: Wrong Number
Immortal Redneck
Incredibox*
Insaniquarium! Deluxe*
Inscryption
Into the Breach
Ion Fury
Katamari Damacy REROLL
We Love Katamari REROLL+ Royal Reverie
Katana Zero
Keyboard Killers
Khan VS Kahn
Later Alligator
Lethal League Blaze
Library of Ruina
LIMBO
Lingo
LISA: The First*
LISA
Little Inferno
Lobotomy Corp*
Loop Hero
LOVE
Lovely Planet
LYNE
Lynne
Mark of the Ninja
Mark of the Ninja: Remastered
Martian Law
Messenger
Metal: Hellsinger
Metal Slug
Momodora: Reverie Under the Moonlight
Monaco
Monster Crown
Mothlight*
Mouthwashing
My Friend Pedro
Necrobarista
NEEDY STREAMER OVERLOAD
Nemo Dungeon
NEO AQUARIUM - The King of Crustaceans
Neon White
Nephise Begins
Night in the Woods
No, I'm not a Human
No one lives under the lighthouse
No Time To Explain Remastered
Nowhere Prophet
Nubby's Number Factory
Nuclear Throne
OMORI
One Step from Eden
One Way Heroics Plus
OTXO
Papers, Please
Peace, Death!
Peggle*
People Playground
Pikuniku
Plants vs. Zombies: Game of the Year Edition
Pleasure Puzzle:Portrait
Poker Night at the Inventory
Poker Night 2
Pony Island
Portal
Portal 2
Post-Void
POSTAL
POSTAL 2
Potatoman Seeks the Troof
Project Mercury
Project Warlock
Psychopomp GOLD
Pumped BMX+
RATSHAKER
Really Big Sky
Red Dead Redemption
Reventure
Risk of Rain
Risk of Rain 2
Risk of Rain Returns
Road 96
Road to Ballhalla
Road Doom
RunGunJumpGun
Saints Row: The Third
ScourgeBringer
Scribblenauts Unlimited
Serious Sam: The Random Encounter*
Shadow Warrior Classic Redux
Shovel Knight: Treasure Trove
Slay the Spire
Slime Rancher
Snake Pass
Spelunky
Spelunky 2
Squidlit
Stanley Parable
Stanley Parable: Ultra Deluxe
Stick Fight: The Game
Stories Untold
Streets of Rogue
Super Animal Royale
Super Meat Boy (on keyboard)
Super Hexagon
SUPERHOT
SUPERHOT: MIND CONTROL DELETE
Superliminal
SYNTHETIK
Tales from the Borderlands
Temple of Xiala
Terraria
The Beginner's Guide*
The Children of the Clay*
The House in Fata Morgana
The House in Fata Morgana: A Requiem for Innocence
The Legend of Bum-bo
The Looker
The Search
Tiny and Big: Grandpa's Leftovers
TITAN SOULS
Titanfall 2
tomorrow won't come for those without*
Totally Accurate Battle Simulator
Townscaper*
Undertale*
UBERMOSH
UBERMOSH:BLACK
UBERMOSH Vol.3
UBERMOSH:WRAITH
UBERMOSH Vol.5
UBERMOSH:SANTICIDE
UBERMOSH Vol 7
Umamusume: Pretty Derby
VA-11 HALL-A: Cyberpunk Bartender
Vampire Survivors
Void Bastards
VVVVVV
Warhammer 40.000: Boltgun - Words of Vengeance
Webbed
Will Glow the Wisp
WHAT THE GOLF?
Wolfenstein: The New Order
Wolfenstein: The Old Blood
XCOM: Enemy Unknown
Yakuza 0
Yakuza Kiwami
Yume Nikki*
Z.A.T.O. // I Love the World and Everything In It
Zomborg