Games like Radiant Melodia
Games like Radiant Melodia include 鬼谷八荒 Tale of Immortal, Tricolour Lovestory, Volcano Princess, Hatoful Boyfriend, and LoveChoice. We matched them by the tags players give Radiant Melodia on Steam (Adventure, Simulation, Indie, RPG, and Otome): closest matches first, and among equally close ones the better-known games.

鬼谷八荒 Tale of Immortal
Shared: Simulation · RPG · Adventure

Tricolour Lovestory
Shared: Visual Novel · Simulation · Dating Sim

Volcano Princess
Shared: RPG · Simulation · Female Protagonist

Hatoful Boyfriend
Shared: Visual Novel · Dating Sim · Otome

LoveChoice
Shared: Dating Sim · Visual Novel · Romance

My Vow to My Liege
Shared: Otome · Female Protagonist · RPG

Florence
Shared: Adventure · Indie · Female Protagonist

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

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

月华辉映之刻
Shared: Otome · Adventure · Female Protagonist

Emily is Away <3
Shared: Simulation · Indie · Dating Sim

他人世界末 On-looker
Shared: Visual Novel · RPG · Indie

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

Fox Hime Zero
Shared: Indie · Visual Novel · Adventure

Otaku's Adventure
Shared: Indie · Adventure · RPG

Magical Princess
Shared: RPG · Simulation · Female Protagonist

Emily is Away Too
Shared: Simulation · Indie · Dating Sim

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

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

千面 Melancholy Love
Shared: Indie · Adventure · RPG

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

The Hungry Lamb: Traveling in the Late Ming Dynasty
Shared: Visual Novel · Adventure · Story Rich

小白兔电商~Bunny e-Shop
Shared: Simulation · Visual Novel · Dating Sim

Far Away
Shared: Visual Novel · Female Protagonist · Adventure