Games like Vampire's Kiss
Games like Vampire's Kiss include Baldur's Gate 3, Roadwarden, The Life and Suffering of Sir Brante, Suzerain, and Tainted Grail: The Fall of Avalon. We matched them by the tags players give Vampire's Kiss on Steam (RPG, Interactive Fiction, Text-Based, Character Customization, and Multiple Endings): closest matches first, and among equally close ones the better-known games.

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

Roadwarden
Shared: RPG · Text-Based · Interactive Fiction

The Life and Suffering of Sir Brante
Shared: RPG · Interactive Fiction · Text-Based

Suzerain
Shared: Interactive Fiction · Text-Based · RPG

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

Choice of Robots
Shared: Text-Based · Interactive Fiction · RPG

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

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

Vampire: The Masquerade — Night Road
Shared: Text-Based · Interactive Fiction · RPG

Aliya: Timelink
Shared: RPG · Interactive Fiction · Multiple Endings

Our Life: Beginnings & Always
Shared: Character Customization · Romance · Multiple Endings

Undertale
Shared: RPG · Multiple Endings · Choices Matter

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

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

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

LoveChoice
Shared: Romance · Multiple Endings · Choices Matter

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

Late Shift
Shared: Interactive Fiction · Multiple Endings · Choose Your Own Adventure

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

风信楼
Shared: Interactive Fiction · Multiple Endings · RPG

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

Arcadie: Second-Born
Shared: Interactive Fiction · Character Customization · Romance

Cabernet
Shared: Vampires · Multiple Endings · Singleplayer

I Wani Hug that Gator!
Shared: Romance · Interactive Fiction · Multiple Endings