Games like DEFECTIVE
Games like DEFECTIVE include The Talos Principle, Machinarium, OneShot, Primordia, and The Silent Age. We matched them by the tags players give DEFECTIVE on Steam (Side Scroller, Post-apocalyptic, Story Rich, Robots, and Linear): closest matches first, and among equally close ones the better-known games.

The Talos Principle
Shared: Puzzle · Story Rich · Sci-fi

Machinarium
Shared: Robots · Puzzle · Story Rich

OneShot
Shared: Story Rich · Puzzle · Pixel Graphics

Primordia
Shared: Post-apocalyptic · Robots · Sci-fi

The Silent Age
Shared: Side Scroller · Story Rich · Puzzle

DISTRAINT: Deluxe Edition
Shared: Story Rich · 2D · Pixel Graphics

The Fall
Shared: Side Scroller · Story Rich · Sci-fi

SANABI
Shared: Story Rich · Pixel Graphics · 2D

The Final Station
Shared: Post-apocalyptic · 2D · Pixel Graphics

Eastward
Shared: Story Rich · Post-apocalyptic · Pixel Graphics

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

LIMBO
Shared: Puzzle · 2D · Side Scroller

Thomas Was Alone
Shared: Side Scroller · Sci-fi · Story Rich

UNREAL LIFE
Shared: Story Rich · Side Scroller · Puzzle

FAR: Lone Sails
Shared: Post-apocalyptic · Puzzle · Story Rich

Sally Face - Episode One
Shared: Story Rich · Puzzle · Indie

Fallout 4
Shared: Post-apocalyptic · Story Rich · Atmospheric

Don't Escape: 4 Days to Survive
Shared: Post-apocalyptic · Story Rich · Pixel Graphics

The Uncertain: Last Quiet Day
Shared: Robots · Story Rich · Puzzle

DISTRAINT 2
Shared: Story Rich · Side Scroller · 2D

Valiant Hearts: The Great War™ / Soldats Inconnus : Mémoires de la Grande Guerre™
Shared: Story Rich · 2D · Puzzle

Impostor Factory
Shared: Story Rich · 2D · Pixel Graphics

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

Detroit: Become Human
Shared: Story Rich · Robots · Sci-fi