Batman: The Enemy Within - The Telltale Series
ChillPulse
Chaos;Head NOAH
Counter Strike: 2 (They got rid of the old achievements. I had at least 70-80% of them :( )
Cozy Grove
Dread Weight
Endless Monday: Dreams and Deadlines
Hazy Mind
Hope Left Me
Hush Hush - Only Your Love Can Save Them
KinitoPET
a new life.
Looking Up I See Only A Ceiling
No Case Should Remain Unsolved
Persona 4 Golden
Project Heartbeat
Room of Depression
A Short Hike
Slay the Princess
Smile For Me
Spirit City: Lofi Sessions
Steins:Gate
Tabletop Simulator
Terraria
The Longing
The Room
Touch Some Grass
When The Past Was Around
Your amazing T-Gotchi!
Your Turn To Die -Death Game By Majority-

Alicemare
Cabin Fever
Class of 09
The Coffin of Andy and Leyley
Cooking Companions
Cooking Companions: Appetizer Edition
Corpse Party: Sweet Sachiko's Hysteric Birthday Bash
GRIS
Hatsune Miku: Project DIVA Mega Mix+
her tears were my light
Higurashi no Naku Koro ni: Chapter 3 Tatarigoroshi
Higurashi no Naku Koro ni: Chapter 4 Himatsubushi
HunieCam Studio
HuniePop
If Found
Luna's Fishing Garden
Monument Valley I
The Murder of Sonic the Hedgehog
Muse Dash
My dream setup
My Name is Mayo 3
NEEDY STREAMER OVERLOAD
Papa's Freezeria Deluxe
Plantera 2: Golden Acorn
Poker Night at the Inventory
South Park: The Stick of Truth
The Stanley Parable: Ultra Deluxe
Sticky Business
The Walking Dead: A New Frontier
The Walking Dead: The Final Season
ZUP! Z

Achievement Clicker
Achievement Clicker 2018
Achievement Clicker 2019
The Awkward Steve Duology
Blush Blush
The Cat Games
Higurashi no Naku Koro ni: Chapter 1 Onikakushi
Higurashi no Naku Koro ni: Chapter 2 Watanagashi
Lines X
Milk outside a bag of milk outside a bag of milk
My Name is Mayo 2
Oxenfree
Virtual Cottage
Yu-Gi-Oh! Legacy of the Duelist

Ambre
Carpe Diem (updated with new achievement)
Confess My Love
Corpse Party (2021)
Corpse Party: Book of Shadows
Crush Crush
Doki Doki Literature Club Plus!
Florence
Helltaker (until they added more achievements)
Life is Strange
Lines X Free
Loading Screen Simulator
Loot Box Quest
Milk inside a bag of milk inside a bag of milk...
Misao
missed messages.
My Name is Mayo
OMORI
Our Life: Beginnings & Always
RunnerDot
Samsara Room
The Stanley Parable
Strange Telephone
Tap Heroes
There is no game: Jam Edition 2015
Trick & Treat
Trick & Treat - Visual Novel
Unpacking
Watson-Scott Personality Test
Yu-Gi-Oh! Duel Links


Batman: The Telltale Series

The Crooked Man
To the Moon

Awareness Rooms
Carpe Diem
Emily is Away
Emily is Away Too
PAC-MAN Championship Edition DX+
Plantera
Replica

Corpse Party
Mad Father
Scribblenauts Unlimited
Sound of Drop - fall into poison
Tales from the Borderlands
Terraria (then they added more achievements a few years later)
The Walking Dead: Michonne
Year Walk


The Walking Dead S1
The Walking Dead S2
The Wolf Among Us


Sly 2: Band of Thieves (PS3, ENG)
Jak and Daxter: The Precursor Legacy (PS3, ENG)
Ratchet and Clank (PS3, ENG)
Persona 5: Dancing in Starlight (PS4, ENG)
Heavy Rain (PS3, ENG)
Hatsune Miku: Project DIVA f (PS3, JPN)
Hatsune Miku: Project DIVA F2nd (PS3, EN)
Hatsune Miku: Project DIVA Future Tone DX (PS4, JPN)
Chaos;Head NOAH (VITA, JPN)
Steins;Gate (VITA, USA)
Steins;Gate (VITA, KOR)
Steins;Gate (VITA, JPN)
Steins;Gate (VITA, EUR)