Games like Antioch: Scarlet Bay
Games like Antioch: Scarlet Bay include The Wolf Among Us, Phasmophobia, Heavy Rain, RV There Yet?, and Nobody Wants to Die. We matched them by the tags players give Antioch: Scarlet Bay on Steam (Detective, Multiple Endings, Noir, Online Co-Op, and Asynchronous Multiplayer): closest matches first, and among equally close ones the better-known games.

The Wolf Among Us
Shared: Detective · Multiple Endings · Noir

Phasmophobia
Shared: Online Co-Op · Co-op · Detective

Heavy Rain
Shared: Multiple Endings · Detective · Thriller

RV There Yet?
Shared: Co-op · Online Co-Op · Funny

Nobody Wants to Die
Shared: Detective · Noir · Thriller

Lacuna A Sci-Fi Noir Adventure
Shared: Detective · Noir · Multiple Endings

Chained Together
Shared: Co-op · Online Co-Op · Adventure

Disco Elysium - The Final Cut
Shared: Detective · Noir · Story Rich

Road 96
Shared: 1990's · Multiple Endings · Choices Matter

Undertale
Shared: Multiple Endings · Story Rich · Funny

Lethal Company
Shared: Online Co-Op · Co-op · Funny

Castle Crashers®
Shared: Online Co-Op · Co-op · Funny

Liars Bar
Shared: Online Co-Op · Co-op · Casual

PEAK
Shared: Online Co-Op · Co-op · Adventure

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

Overcooked! 2
Shared: Online Co-Op · Co-op · Funny

Duck Detective: The Secret Salami
Shared: Detective · Noir · Casual

How to Fish
Shared: Online Co-Op · Co-op · Indie

Monster Prom 2: Monster Camp
Shared: Multiple Endings · Online Co-Op · Co-op

It Takes Two
Shared: Co-op · Online Co-Op · Story Rich

Demonologist
Shared: Online Co-Op · Co-op · Detective

Late Shift
Shared: Multiple Endings · Interactive Fiction · Choices Matter

A Way Out
Shared: Online Co-Op · Co-op · Story Rich

The Henry Stickmin Collection
Shared: Multiple Endings · Funny · Choices Matter