Games like Invisible Apartment Zero
Games like Invisible Apartment Zero include WITCH ON THE HOLY NIGHT, Marco & The Galaxy Dragon, ICEY, OPUS: Echo of Starsong - Full Bloom Edition, and Mirror 2: Project X. We matched them by the tags players give Invisible Apartment Zero on Steam (Adventure, Visual Novel, Female Protagonist, Anime, and Cyberpunk): closest matches first, and among equally close ones the better-known games.

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

Marco & The Galaxy Dragon
Shared: Visual Novel · Adventure · Female Protagonist

ICEY
Shared: Female Protagonist · Anime · Adventure

OPUS: Echo of Starsong - Full Bloom Edition
Shared: Visual Novel · Female Protagonist · Anime

Mirror 2: Project X
Shared: Female Protagonist · Anime · Visual Novel

Refind Self: The Personality Test Game
Shared: Visual Novel · Female Protagonist · Adventure

VA-11 Hall-A: Cyberpunk Bartender Action
Shared: Visual Novel · Cyberpunk · Female Protagonist

Danganronpa V3: Killing Harmony
Shared: Visual Novel · Female Protagonist · Anime

Tales of the Black Forest
Shared: Adventure · Female Protagonist · Visual Novel

Far Away
Shared: Visual Novel · Female Protagonist · Anime

OshiRabu: Waifus Over Husbandos
Shared: Adventure · Female Protagonist · Visual Novel

fault - milestone two side:above
Shared: Visual Novel · Anime · Female Protagonist

Bloodstained: Ritual of the Night
Shared: Female Protagonist · Adventure · Anime

Letters From a Rainy Day -Oceans and Lace-
Shared: Female Protagonist · Visual Novel · Adventure

fault - milestone one
Shared: Visual Novel · Female Protagonist · Anime

Amnesia™: Memories
Shared: Visual Novel · Female Protagonist · Anime

eden*
Shared: Visual Novel · Anime · Adventure

A Kiss For The Petals - Remembering How We Met
Shared: Visual Novel · Female Protagonist · Anime

Magical Girl Witch Trials
Shared: Visual Novel · Female Protagonist · Anime

The Vagrant
Shared: Female Protagonist · Adventure · 2D

Phoenix Wright: Ace Attorney Trilogy
Shared: Visual Novel · Anime · Adventure

Danganronpa: Trigger Happy Havoc
Shared: Visual Novel · Anime · Adventure

Yunyun Syndrome!? Rhythm Psychosis
Shared: Anime · Visual Novel · Adventure

Shan Gui (山桂)
Shared: Visual Novel · Female Protagonist · Anime