Games like Guard Duty
Games like Guard Duty include Papers, Please, There Is No Game: Wrong Dimension, Chants of Sennaar, OneShot, and To the Moon. We matched them by the tags players give Guard Duty on Steam (Adventure, Indie, Pixel Graphics, Point & Click, and Colorful): closest matches first, and among equally close ones the better-known games.

Papers, Please
Shared: Indie · Pixel Graphics · Point & Click

There Is No Game: Wrong Dimension
Shared: Indie · Adventure · Point & Click

Chants of Sennaar
Shared: Adventure · Indie · Colorful

OneShot
Shared: Indie · Pixel Graphics · Adventure

To the Moon
Shared: Indie · Adventure · Pixel Graphics

Thimbleweed Park™
Shared: Adventure · Pixel Graphics · Indie

GRIS
Shared: Indie · Adventure · Relaxing

Shovel Knight: Treasure Trove
Shared: Pixel Graphics · Indie · Adventure

SANABI
Shared: Pixel Graphics · Adventure · Indie

Superbrothers: Sword & Sworcery EP
Shared: Adventure · Indie · Pixel Graphics

Endacopia
Shared: Adventure · Point & Click · Pixel Graphics

The Red Strings Club
Shared: Pixel Graphics · Indie · Adventure

OMORI
Shared: Indie · Pixel Graphics · Adventure

Dropsy
Shared: Adventure · Point & Click · Pixel Graphics

Don't Escape: 4 Days to Survive
Shared: Adventure · Pixel Graphics · Point & Click

Gods Will Be Watching
Shared: Indie · Pixel Graphics · Point & Click

A Bird Story
Shared: Indie · Pixel Graphics · Adventure

The Night of the Rabbit
Shared: Adventure · Indie · Point & Click

DAVE THE DIVER
Shared: Pixel Graphics · Adventure · Relaxing

The Dark Eye: Chains of Satinav
Shared: Adventure · Point & Click · Indie

Primordia
Shared: Adventure · Point & Click · Indie

Beat Cop
Shared: Indie · Pixel Graphics · Adventure

Fran Bow
Shared: Point & Click · Adventure · Indie

Hyper Light Drifter
Shared: Pixel Graphics · Indie · Adventure