Games like OneShot
Games like OneShot include Undertale, OMORI, To the Moon, Papers, Please, and The Witcher 3: Wild Hunt — Remastered. We matched them by the tags players give OneShot on Steam (Story Rich, Pixel Graphics, Indie, Cute, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Undertale
Shared: Story Rich · Great Soundtrack · Pixel Graphics

OMORI
Shared: Story Rich · Indie · Pixel Graphics

To the Moon
Shared: Story Rich · Indie · Great Soundtrack

Papers, Please
Shared: Indie · Pixel Graphics · Story Rich

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

Celeste
Shared: Pixel Graphics · Great Soundtrack · Indie

Hollow Knight
Shared: Great Soundtrack · Indie · Story Rich

Changed
Shared: Cute · Pixel Graphics · Puzzle

A Bird Story
Shared: Story Rich · Indie · Pixel Graphics

The Red Strings Club
Shared: Pixel Graphics · Story Rich · Great Soundtrack

DELTARUNE
Shared: Story Rich · Pixel Graphics · Great Soundtrack

GRIS
Shared: Indie · Great Soundtrack · Atmospheric

Outer Wilds
Shared: Story Rich · Great Soundtrack · Atmospheric

Ori and the Will of the Wisps
Shared: Great Soundtrack · Story Rich · Singleplayer

Hollow Knight: Silksong
Shared: Indie · Great Soundtrack · Singleplayer

There Is No Game: Wrong Dimension
Shared: Indie · Pixel Graphics · Puzzle

FEZ
Shared: Indie · Pixel Graphics · Puzzle

Unpacking
Shared: Pixel Graphics · Cute · Story Rich

Detroit: Become Human
Shared: Story Rich · Choices Matter · Singleplayer

Ib
Shared: Pixel Graphics · Story Rich · Indie

Firewatch
Shared: Story Rich · Atmospheric · Adventure

Hyper Light Drifter
Shared: Pixel Graphics · Great Soundtrack · Indie

Impostor Factory
Shared: Story Rich · Pixel Graphics · Adventure

Brothers - A Tale of Two Sons
Shared: Story Rich · Indie · Atmospheric

