Games like Ruby Dreams: Immortal Promise
Games like Ruby Dreams: Immortal Promise include LoveChoice, My Vow to My Liege, Love Is All Around, Volcano Princess, and Florence. We matched them by the tags players give Ruby Dreams: Immortal Promise on Steam (Visual Novel, Female Protagonist, Romance, Vampires, and Dating Sim): closest matches first, and among equally close ones the better-known games.

LoveChoice
Shared: Romance · Visual Novel · Dating Sim

My Vow to My Liege
Shared: Female Protagonist · Romance · Visual Novel

Love Is All Around
Shared: Visual Novel · Dating Sim · Romance

Volcano Princess
Shared: Female Protagonist · Choices Matter · Visual Novel

Florence
Shared: Romance · Casual · Female Protagonist

Our Life: Beginnings & Always
Shared: Visual Novel · Romance · Dating Sim

Mirror 2: Project X
Shared: Female Protagonist · Visual Novel · 3D

Senren * Banka
Shared: Visual Novel · Dating Sim · Romance

Hatoful Boyfriend
Shared: Visual Novel · Female Protagonist · Dating Sim

Love Curse: Find Your Soulmate
Shared: Female Protagonist · Visual Novel · Romance

Slay the Princess — The Pristine Cut
Shared: Visual Novel · Choices Matter · Romance

Blood Code
Shared: Visual Novel · Female Protagonist · Romance

Doki Doki Literature Club Plus!
Shared: Visual Novel · Dating Sim · Romance

I Wani Hug that Gator!
Shared: Visual Novel · Romance · Dating Sim

ATRI -My Dear Moments-
Shared: Visual Novel · Romance · Dating Sim

Cabernet
Shared: Female Protagonist · Vampires · Visual Novel

Tricolour Lovestory
Shared: Visual Novel · Dating Sim · Romance

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

私のリアルは充実しすぎている フルボイス版
Shared: Female Protagonist · Visual Novel · Romance

CLANNAD
Shared: Visual Novel · Romance · Dating Sim

Far Away
Shared: Visual Novel · Female Protagonist · Choices Matter

Lucy -The Eternity She Wished For-
Shared: Visual Novel · Romance · Dating Sim

Hakuoki: Kyoto Winds
Shared: Visual Novel · Female Protagonist · Romance

Emily is Away <3
Shared: Dating Sim · Choices Matter · Casual