Games like These Thieving Hearts
Games like These Thieving Hearts include Baldur's Gate 3, Suzerain, Roadwarden, The Life and Suffering of Sir Brante, and Love Is All Around. We matched them by the tags players give These Thieving Hearts on Steam (Choose Your Own Adventure, RPG, Interactive Fiction, Character Customization, and Choices Matter): closest matches first, and among equally close ones the better-known games.

Baldur's Gate 3
Shared: RPG · Character Customization · Choices Matter

Suzerain
Shared: Choose Your Own Adventure · Interactive Fiction · Choices Matter

Roadwarden
Shared: RPG · Interactive Fiction · Choose Your Own Adventure

The Life and Suffering of Sir Brante
Shared: RPG · Choose Your Own Adventure · Choices Matter

Love Is All Around
Shared: Romance · Interactive Fiction · Multiple Endings

Late Shift
Shared: Choose Your Own Adventure · Choices Matter · Interactive Fiction

Choice of Robots
Shared: Choose Your Own Adventure · Interactive Fiction · Choices Matter

Our Life: Beginnings & Always
Shared: Character Customization · Romance · Choose Your Own Adventure

Dragon Age: Origins - Ultimate Edition
Shared: RPG · Choices Matter · Character Customization

The Henry Stickmin Collection
Shared: Choose Your Own Adventure · Multiple Endings · Choices Matter

Tainted Grail: The Fall of Avalon
Shared: RPG · Character Customization · Adventure

Undertale
Shared: Choices Matter · RPG · Multiple Endings

The Witcher 3: Wild Hunt — Remastered
Shared: RPG · Choices Matter · Adventure

Vampire: The Masquerade — Night Road
Shared: Choose Your Own Adventure · Interactive Fiction · RPG

Breakout 13
Shared: Choose Your Own Adventure · Interactive Fiction · Choices Matter

GreedFall
Shared: RPG · Character Customization · Choices Matter

Legend of Mortal
Shared: RPG · Choices Matter · Multiple Endings

LoveChoice
Shared: Choices Matter · Romance · Multiple Endings

Mass Effect™ Legendary Edition
Shared: RPG · Choices Matter · Character Customization

Warhammer 40,000: Rogue Trader
Shared: RPG · Choices Matter · Character Customization

The Test
Shared: Choose Your Own Adventure · Multiple Endings · Choices Matter

Slay the Princess — The Pristine Cut
Shared: Choices Matter · Choose Your Own Adventure · Romance

The Life and Suffering of Sir Brante — Chapter 1&2
Shared: Choose Your Own Adventure · Interactive Fiction · RPG

Knowledge, or know Lady
Shared: Romance · Interactive Fiction · Multiple Endings