Games like Gloom and Doom
Games like Gloom and Doom include Slay the Princess — The Pristine Cut, While We Wait Here, The Henry Stickmin Collection, The Test, and No, I'm not a Human. We matched them by the tags players give Gloom and Doom on Steam (Choose Your Own Adventure, Fantasy, Horror, Casual, and Interactive Fiction): closest matches first, and among equally close ones the better-known games.

Slay the Princess — The Pristine Cut
Shared: Choose Your Own Adventure · Horror · Psychological Horror

While We Wait Here
Shared: Choose Your Own Adventure · Horror · Psychological Horror

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

The Test
Shared: Choose Your Own Adventure · Psychological Horror · Multiple Endings

No, I'm not a Human
Shared: Horror · Psychological Horror · Choices Matter

The Test: Hypothesis Rising
Shared: Horror · Choose Your Own Adventure · Choices Matter

Death and Taxes
Shared: Choices Matter · Psychological Horror · Choose Your Own Adventure

Scarlet Hollow
Shared: Horror · Choices Matter · Psychological Horror

The Casting of Frank Stone™
Shared: Horror · Choices Matter · Choose Your Own Adventure

Tiny Bunny
Shared: Horror · Psychological Horror · Choices Matter

Undertale
Shared: Choices Matter · Funny · Story Rich

OMORI
Shared: Psychological Horror · Horror · Story Rich

Little Misfortune
Shared: Psychological Horror · Horror · Choices Matter

I Wani Hug that Gator!
Shared: Choose Your Own Adventure · Interactive Fiction · Choices Matter

The NOexistenceN of you AND me
Shared: Psychological Horror · Interactive Fiction · Multiple Endings

Sally Face - Episode One
Shared: Horror · Psychological Horror · Story Rich

Getting Over It with Bennett Foddy
Shared: Psychological Horror · Horror · Funny

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

MiSide
Shared: Psychological Horror · Horror · Story Rich

Until Dawn™
Shared: Horror · Choose Your Own Adventure · Choices Matter

The Test: Final Revelation
Shared: Choose Your Own Adventure · Horror · Choices Matter

Who's Lila?
Shared: Choose Your Own Adventure · Horror · Psychological Horror

Dispatch
Shared: Choices Matter · Choose Your Own Adventure · Story Rich

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