Batman: The Enemy Within - The Telltale Series
Chaos;Head NOAH
Counter Strike: 2 (I am pissed that they got rid of the old achievements. I had at least 70-80% of them)
Hope Left Me
Hush Hush - Only Your Love Can Save Them
KinitoPET
Looking Up I See Only A Ceiling
Project Heartbeat
Slay the Princess
Steins:Gate
Tabletop Simulator
Terraria
The Longing
Touch Some Grass
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
Jak and Daxter: The Precursor Legacy
Ratchet and Clank
Persona 5: Dancing in Starlight
Heavy Rain
Hatsune Miku: Project DIVA f
Hatsune Miku: Project DIVA F2nd
Hatsune Miku: Project DIVA Future Tone DX