Games like let me go
Games like let me go include Eastward, To the Moon, Florence, Where Winds Meet, and Black Myth: Wukong. We matched them by the tags players give let me go on Steam (Adventure, Action RPG, Mystery Dungeon, 2D, and Underground): closest matches first, and among equally close ones the better-known games.

Eastward
Shared: Adventure · Action RPG · Story Rich

To the Moon
Shared: Adventure · Story Rich · Indie

Florence
Shared: Adventure · Indie · Story Rich

Where Winds Meet
Shared: Action RPG · Adventure · Singleplayer

Black Myth: Wukong
Shared: Action RPG · Story Rich · Singleplayer

Hollow Knight: Silksong
Shared: 2D · Indie · Adventure

There Is No Game: Wrong Dimension
Shared: Adventure · Indie · Story Rich

Secrets of Grindea
Shared: Adventure · Action RPG · Singleplayer

CrossCode
Shared: Action RPG · 2D · Singleplayer

Hollow Knight
Shared: 2D · Adventure · Singleplayer

OneShot
Shared: Story Rich · Indie · Adventure

SANABI
Shared: Adventure · Story Rich · 2D

Impostor Factory
Shared: Adventure · Story Rich · 2D

Tails of Iron
Shared: Action RPG · Adventure · 2D

The Witcher 3: Wild Hunt — Remastered
Shared: Adventure · Story Rich · Singleplayer

Firewatch
Shared: Adventure · Story Rich · Singleplayer

GRIS
Shared: Adventure · Indie · 2D

A Bird Story
Shared: Adventure · Story Rich · Indie

Finding Paradise
Shared: Adventure · Story Rich · 2D

DAVE THE DIVER
Shared: Adventure · Casual · Singleplayer

DISTRAINT: Deluxe Edition
Shared: Adventure · 2D · Indie

God of War
Shared: Adventure · Story Rich · Singleplayer

Bastion
Shared: Indie · Singleplayer · Adventure

Melvor Idle
Shared: Adventure · 2D · Singleplayer