Games like Phantom Thief Celianna
Games like Phantom Thief Celianna include Summer Memories, Ideology in Friction, Action Taimanin, Mysteria ~Occult Shadows~, and The Curse of Kubel. We matched them by the tags players give Phantom Thief Celianna on Steam (RPG, Sexual Content, Indie, Nudity, and Female Protagonist): closest matches first, and among equally close ones the better-known games.

Summer Memories
Shared: Sexual Content · Nudity · RPG

Ideology in Friction
Shared: Sexual Content · RPG · Nudity

Action Taimanin
Shared: Sexual Content · Nudity · Female Protagonist

Mysteria ~Occult Shadows~
Shared: Sexual Content · RPG · Nudity

The Curse of Kubel
Shared: RPG · Sexual Content · Indie

Seed of Evil
Shared: RPG · Sexual Content · Indie

Kunoichi Botan
Shared: RPG · Sexual Content · Indie

Tina: Swordswoman of the Scarlet Prison
Shared: RPG · Sexual Content · Indie

Seek Girl Ⅲ
Shared: Sexual Content · Nudity · Indie

NALOGI
Shared: Sexual Content · Nudity · RPG

Sakura Dungeon
Shared: Sexual Content · Nudity · RPG

Lilitales
Shared: RPG · Sexual Content · Indie

Sister Travel
Shared: RPG · Indie · Sexual Content

West Sweety
Shared: Sexual Content · Nudity · Indie

Yokai's Secret
Shared: Sexual Content · Indie · Nudity

Yarimono
Shared: Sexual Content · RPG · Nudity

Terrible Laboratory
Shared: RPG · Sexual Content · Indie

Lost
Shared: Sexual Content · Nudity · Indie

The Chosen RPG
Shared: RPG · Nudity · Anime

LEWDAPOCALYPSE Hentai Evil
Shared: Sexual Content · Nudity · Female Protagonist

Your Mom
Shared: Sexual Content · Nudity · Anime

Bloody Spell
Shared: Sexual Content · Nudity · RPG

Seek Girl:Fog Ⅰ
Shared: Sexual Content · Nudity · Indie

Holy Knight Luviria
Shared: RPG · Sexual Content · Indie