Games like tERRORbane: an INTRODUCTION, mostly
Games like tERRORbane: an INTRODUCTION, mostly include Evoland, Reigns, The Stanley Parable, There Is No Game: Wrong Dimension, and Yes, Your Grace. We matched them by the tags players give tERRORbane: an INTRODUCTION, mostly on Steam (Adventure, Indie, RPG, Casual, and Choose Your Own Adventure): closest matches first, and among equally close ones the better-known games.

Evoland
Shared: Indie · Adventure · RPG

Reigns
Shared: Indie · Choices Matter · Adventure

The Stanley Parable
Shared: Indie · Comedy · Adventure

There Is No Game: Wrong Dimension
Shared: Indie · Adventure · Casual

Yes, Your Grace
Shared: Indie · RPG · Choices Matter

Reventure
Shared: Adventure · Indie · Comedy

DAVE THE DIVER
Shared: Adventure · Casual · RPG

WILL: A Wonderful World / WILL:美好世界
Shared: RPG · Adventure · Indie

Cthulhu Saves the World
Shared: RPG · Indie · Comedy

The Expanse: A Telltale Series
Shared: Adventure · RPG · Choose Your Own Adventure

LISA: The Painful
Shared: RPG · Indie · Choices Matter

Roadwarden
Shared: Adventure · RPG · Indie

Melvor Idle
Shared: RPG · Indie · Casual

Thank Goodness You're Here!
Shared: Adventure · Comedy · Casual

South Park™: The Stick of Truth™
Shared: Adventure · RPG · Comedy

Undertale
Shared: RPG · Choices Matter · Indie

Epic Battle Fantasy 4
Shared: Indie · Adventure · RPG

West of Loathing
Shared: RPG · Adventure · Comedy

Touhou Mystia's Izakaya
Shared: Casual · RPG · Comedy

Class of '09
Shared: Casual · Choose Your Own Adventure · Comedy

DLC Quest
Shared: Indie · Comedy · Satire

Tainted Grail: The Fall of Avalon
Shared: Adventure · RPG · Exploration

Cassette Beasts
Shared: Adventure · RPG · JRPG

Greyfox RPG
Shared: Adventure · Indie · RPG