Games like Snow-Swept Quest
Games like Snow-Swept Quest include Summer Memories, Mysteria ~Occult Shadows~, Yarimono, The Chosen RPG, and Sakura Dungeon. We matched them by the tags players give Snow-Swept Quest on Steam (Adventure, RPG, Sexual Content, Anime, and JRPG): closest matches first, and among equally close ones the better-known games.

Summer Memories
Shared: Sexual Content · RPG · Nudity

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

Yarimono
Shared: Sexual Content · RPG · Nudity

The Chosen RPG
Shared: RPG · Adventure · Anime

Sakura Dungeon
Shared: Sexual Content · Anime · RPG

Lost
Shared: Sexual Content · Nudity · Adventure

Tales of Berseria™
Shared: RPG · Anime · JRPG

Seek Girl Ⅲ
Shared: Sexual Content · RPG · Nudity

NALOGI
Shared: Sexual Content · Anime · RPG

West Sweety
Shared: Sexual Content · RPG · Nudity

Tales of ARISE
Shared: RPG · Anime · JRPG

LEWDAPOCALYPSE Hentai Evil
Shared: Sexual Content · Nudity · Adventure

FALL IN LABYRINTH
Shared: Adventure · Sexual Content · Nudity

Wet Girl
Shared: Sexual Content · Adventure · Nudity

Metaphor: ReFantazio
Shared: RPG · Adventure · Anime

Seed of Evil
Shared: RPG · Sexual Content · Adventure

Baldur's Gate 3
Shared: RPG · Sexual Content · Adventure

Persona 5 Royal
Shared: JRPG · Anime · RPG

Ideology in Friction
Shared: Sexual Content · RPG · Nudity

UndercoverAgent
Shared: Sexual Content · Adventure · RPG

AKIBA'S TRIP: Undead & Undressed
Shared: Anime · RPG · JRPG

Chevalier Historie
Shared: RPG · Sexual Content · Adventure

Latex Dungeon
Shared: Sexual Content · RPG · Nudity

Tales of the Black Forest
Shared: RPG · Adventure · Anime