Games like Thanks for the Soup
Games like Thanks for the Soup include No, I'm not a Human, Poppy Playtime, Five Nights at Freddy's: Security Breach, Grunn, and Escape the Backrooms. We matched them by the tags players give Thanks for the Soup on Steam (Immersive Sim, Horror, Choices Matter, Adventure, and Mystery): closest matches first, and among equally close ones the better-known games.

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

Poppy Playtime
Shared: Horror · Singleplayer · First-Person

Five Nights at Freddy's: Security Breach
Shared: Horror · Singleplayer · First-Person

Grunn
Shared: Horror · Choices Matter · Mystery

Escape the Backrooms
Shared: Horror · First-Person · Adventure

Firewatch
Shared: Adventure · Mystery · First-Person

The Cabin Factory
Shared: Horror · Immersive Sim · Choices Matter

Garten of Banban
Shared: Horror · First-Person · Singleplayer

Outlast
Shared: Horror · First-Person · Adventure

That's not my Neighbor
Shared: Adventure · Choices Matter · Horror

The Bathhouse Restored Edition
Shared: Horror · Immersive Sim · Choices Matter

The Forest
Shared: Horror · Adventure · First-Person

Bendy and the Ink Machine
Shared: Horror · First-Person · Singleplayer

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

HELLMART
Shared: Horror · Immersive Sim · Choices Matter

Five Nights at Freddy's: Secret of the Mimic
Shared: Horror · Adventure · First-Person

Outer Wilds
Shared: Mystery · Adventure · Exploration

Buckshot Roulette
Shared: Horror · First-Person · Dark

The Exit 8
Shared: Horror · Immersive Sim · First-Person

CARIMARA: Beneath the forlorn limbs
Shared: Horror · Mystery · Adventure

Bendy and the Dark Revival
Shared: Horror · Adventure · First-Person

The Complex: Expedition
Shared: Horror · Mystery · Adventure

What Remains of Edith Finch
Shared: Mystery · Adventure · First-Person

Phasmophobia
Shared: Horror · First-Person · Mystery