Games like Deepest Trench
Games like Deepest Trench include It Takes Two, A Way Out, Split Fiction, Detroit: Become Human, and The Wolf Among Us. We matched them by the tags players give Deepest Trench on Steam (Underwater, Choices Matter, Multiple Endings, Action-Adventure, and Strategy): closest matches first, and among equally close ones the better-known games.

It Takes Two
Shared: Co-op · Split Screen · Local Co-Op

A Way Out
Shared: Co-op · Split Screen · Action-Adventure

Split Fiction
Shared: Co-op · Split Screen · Action-Adventure

Detroit: Become Human
Shared: Choices Matter · Multiple Endings · Story Rich

The Wolf Among Us
Shared: Multiple Endings · Choices Matter · Story Rich

Warhammer 40,000: Space Marine 2
Shared: Co-op · Action-Adventure · Action

Unravel Two
Shared: Co-op · Split Screen · Local Co-Op

Marvel's Guardians of the Galaxy
Shared: Action-Adventure · Choices Matter · Story Rich

Death and Taxes
Shared: Choices Matter · Multiple Endings · Strategy

Human Fall Flat
Shared: Co-op · Local Co-Op · Adventure

The Witcher 3: Wild Hunt — Remastered
Shared: Choices Matter · Story Rich · Atmospheric

Beholder
Shared: Choices Matter · Strategy · Multiple Endings

LEGO® Star Wars™: The Skywalker Saga
Shared: Co-op · Local Co-Op · Adventure

Undertale
Shared: Choices Matter · Multiple Endings · Story Rich

Far Cry® 5
Shared: Co-op · Action-Adventure · Story Rich

Barotrauma
Shared: Co-op · Underwater · Strategy

Baldur's Gate 3
Shared: Choices Matter · Story Rich · Co-op

Gang Beasts
Shared: Co-op · Casual · Action

Subnautica 2
Shared: Underwater · Co-op · Multiplayer

The Quarry
Shared: Choices Matter · Multiple Endings · Story Rich

OneShot
Shared: Choices Matter · Story Rich · Multiple Endings

Warhammer 40,000: Rogue Trader
Shared: Choices Matter · Strategy · Co-op

Overcooked! 2
Shared: Co-op · Local Co-Op · Casual

Where Winds Meet
Shared: Action-Adventure · Strategy · Multiplayer