Games like Sujimon Quest
Games like Sujimon Quest include Summer Memories, Ideology in Friction, Muse Dash, Seek Girl Ⅲ, and your wife. We matched them by the tags players give Sujimon Quest on Steam (RPG, JRPG, 2D, Sexual Content, and Anime): closest matches first, and among equally close ones the better-known games.

Summer Memories
Shared: Sexual Content · RPG · Hentai

Ideology in Friction
Shared: RPG · Sexual Content · JRPG

Muse Dash
Shared: Anime · Sexual Content · 2D

Seek Girl Ⅲ
Shared: Sexual Content · RPG · Hentai

your wife
Shared: Sexual Content · Hentai · 2D

The Chosen RPG
Shared: RPG · Anime · JRPG

Yarimono
Shared: Sexual Content · RPG · JRPG

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

NEKOPARA Vol. 0
Shared: Anime · Sexual Content · Nudity

Paladin Lias
Shared: RPG · Sexual Content · JRPG

DEAD OR SCHOOL
Shared: RPG · Anime · Sexual Content

Lunar Mirror:The Pavilion of Desire
Shared: RPG · Sexual Content · 2D

Natsu no Sagashimono What We Found That Summer
Shared: Sexual Content · RPG · Hentai

Tales of Berseria™
Shared: JRPG · RPG · Anime

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

The Vagrant
Shared: RPG · 2D · Female Protagonist

UndercoverAgent
Shared: JRPG · Sexual Content · RPG

Sakura Dungeon
Shared: Sexual Content · RPG · Anime

NEKOPARA Vol. 1
Shared: Anime · Sexual Content · Hentai

FALL IN LABYRINTH
Shared: JRPG · Sexual Content · RPG

Tales of ARISE
Shared: JRPG · RPG · Anime

NEKOPARA Vol. 2
Shared: Sexual Content · Anime · Nudity

Chevalier Historie
Shared: RPG · Sexual Content · Anime

NEKOPARA Vol. 3
Shared: Sexual Content · Anime · Hentai