Games like Petit Game Collection vol.1
Games like Petit Game Collection vol.1 include NEEDY STREAMER OVERLOAD, Hookah Haze, Fate/hollow ataraxia REMASTERED, The NOexistenceN of you AND me, and Milk outside a bag of milk outside a bag of milk. We matched them by the tags players give Petit Game Collection vol.1 on Steam (Adventure, Visual Novel, Point & Click, Choose Your Own Adventure, and 2D): closest matches first, and among equally close ones the better-known games.

NEEDY STREAMER OVERLOAD
Shared: Visual Novel · Anime · Cute

Hookah Haze
Shared: Adventure · Visual Novel · Point & Click

Fate/hollow ataraxia REMASTERED
Shared: Adventure · Visual Novel · Point & Click

The NOexistenceN of you AND me
Shared: Visual Novel · Anime · Cute

Milk outside a bag of milk outside a bag of milk
Shared: Visual Novel · Psychedelic · Pixel Graphics

Far Away
Shared: Visual Novel · Choose Your Own Adventure · Adventure

The Wolf Among Us
Shared: Adventure · Visual Novel · Choose Your Own Adventure

Refind Self: The Personality Test Game
Shared: Visual Novel · Adventure · 2D

No Case Should Remain Unsolved
Shared: Visual Novel · Point & Click · Adventure

Marco & The Galaxy Dragon
Shared: Visual Novel · Adventure · Anime

Florence
Shared: Adventure · Cute · Visual Novel

Doki Doki Literature Club Plus!
Shared: Visual Novel · Anime · Cute

ATRI -My Dear Moments-
Shared: Visual Novel · Cute · Anime

WITCH ON THE HOLY NIGHT
Shared: Visual Novel · Adventure · Anime

Urban Myth Dissolution Center
Shared: Visual Novel · Adventure · 2D

Fox Hime Zero
Shared: Visual Novel · Adventure · Cute

Muse Dash
Shared: Cute · Anime · 2D

60 Seconds! Reatomized
Shared: Choose Your Own Adventure · 2D · Point & Click

Senren * Banka
Shared: Visual Novel · Cute · Anime

Until Then
Shared: Visual Novel · 2D · Adventure

There Is No Game: Wrong Dimension
Shared: Adventure · Point & Click · Pixel Graphics

Looking Up I See Only A Ceiling
Shared: Adventure · Point & Click · Anime

Parquet
Shared: Visual Novel · Adventure · Anime

Mirror 2: Project X
Shared: Visual Novel · Anime · Adventure