Games like THE 13th Digit
Games like THE 13th Digit include The Wolf Among Us, Suzerain, Lacuna A Sci-Fi Noir Adventure, Endless Monday: Dreams and Deadlines, and The Life and Suffering of Sir Brante. We matched them by the tags players give THE 13th Digit on Steam (Choose Your Own Adventure, Interactive Fiction, Visual Novel, 2D, and Cyberpunk): closest matches first, and among equally close ones the better-known games.

The Wolf Among Us
Shared: Choose Your Own Adventure · Visual Novel · Detective

Suzerain
Shared: Choose Your Own Adventure · Visual Novel · Interactive Fiction

Lacuna A Sci-Fi Noir Adventure
Shared: Interactive Fiction · Noir · Detective

Endless Monday: Dreams and Deadlines
Shared: Choose Your Own Adventure · Visual Novel · Interactive Fiction

The Life and Suffering of Sir Brante
Shared: Interactive Fiction · Choose Your Own Adventure · Visual Novel

I Wani Hug that Gator!
Shared: Visual Novel · Choose Your Own Adventure · Interactive Fiction

Neo Cab
Shared: Visual Novel · Interactive Fiction · Cyberpunk

No Case Should Remain Unsolved
Shared: Interactive Fiction · Visual Novel · Text-Based

Refind Self: The Personality Test Game
Shared: Interactive Fiction · Visual Novel · Choose Your Own Adventure

Far Away
Shared: Visual Novel · Choose Your Own Adventure · Interactive Fiction

Love, Money, Rock'n'Roll
Shared: Visual Novel · Choose Your Own Adventure · Multiple Endings

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

Roadwarden
Shared: Interactive Fiction · Choose Your Own Adventure · Text-Based

The NOexistenceN of you AND me
Shared: Visual Novel · Interactive Fiction · Multiple Endings

The Hungry Lamb: Traveling in the Late Ming Dynasty
Shared: Visual Novel · Interactive Fiction · Multiple Endings

Man I Just Wanna Go Home
Shared: Choose Your Own Adventure · Interactive Fiction · Visual Novel

Slay the Princess — The Pristine Cut
Shared: Visual Novel · Choose Your Own Adventure · Interactive Fiction

Doki Doki Literature Club Plus!
Shared: Visual Novel · 2D · Interactive Fiction

Minds Beneath Us
Shared: Choose Your Own Adventure · Visual Novel · Cyberpunk

The Weeping Swan: Ten Days of the City's Fall
Shared: Interactive Fiction · Visual Novel · Multiple Endings

2064: Read Only Memories
Shared: Interactive Fiction · Visual Novel · Cyberpunk

Class of '09: The Re-Up
Shared: Visual Novel · Choose Your Own Adventure · Interactive Fiction

Lay a Beauty to Rest: The Darkness Peach Blossom Spring
Shared: Visual Novel · Interactive Fiction · Multiple Endings

Until Then
Shared: Visual Novel · Interactive Fiction · 2D