Games like Heart Fragment
Games like Heart Fragment include Volcano Princess, LoveChoice, My Vow to My Liege, Hatoful Boyfriend, and Tricolour Lovestory. We matched them by the tags players give Heart Fragment on Steam (Indie, Simulation, RPG, Visual Novel, and Free to Play): closest matches first, and among equally close ones the better-known games.

Volcano Princess
Shared: RPG · Simulation · Visual Novel

LoveChoice
Shared: Romance · Visual Novel · Simulation

My Vow to My Liege
Shared: Visual Novel · RPG · Otome

Hatoful Boyfriend
Shared: Visual Novel · Otome · Story Rich

Tricolour Lovestory
Shared: Visual Novel · Simulation · Indie

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

Magical Princess
Shared: RPG · Simulation · Visual Novel

Sweet Home
Shared: RPG · Visual Novel · Simulation

Our Life: Beginnings & Always
Shared: Visual Novel · Romance · Free to Play

Emily is Away Too
Shared: Indie · Simulation · Visual Novel

Path Of Wuxia
Shared: Indie · RPG · Simulation

Long Live The Queen
Shared: Visual Novel · Simulation · Indie

The Test
Shared: Simulation · Story Rich · Visual Novel

Slay the Princess — The Pristine Cut
Shared: Visual Novel · Story Rich · Romance

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

Emily is Away <3
Shared: Simulation · Indie · Visual Novel

Amnesia™: Memories
Shared: Visual Novel · Otome · Romance

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

Magical Diary: Horse Hall
Shared: Visual Novel · Indie · RPG

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

灾厄黑龙与谎言公主
Shared: RPG · Visual Novel · Otome

Otaku's Adventure
Shared: Indie · Visual Novel · RPG

月华辉映之刻
Shared: Visual Novel · RPG · Otome

The Sims™ 4
Shared: Simulation · Free to Play · Romance