Games like Defense the Farm
Games like Defense the Farm include Deadlight, Resident Evil 4 (2005), Half-Life 2, Tomb Raider Game of the Year, and Rise of the Tomb Raider™. We matched them by the tags players give Defense the Farm on Steam (Action, Adventure, Casual, Zombies, and Indie): closest matches first, and among equally close ones the better-known games.

Deadlight
Shared: Action · Zombies · Adventure

Resident Evil 4 (2005)
Shared: Action · Zombies · Adventure

Half-Life 2
Shared: Action · Singleplayer · Adventure

Tomb Raider Game of the Year
Shared: Action · Adventure · Singleplayer

Rise of the Tomb Raider™
Shared: Action · Adventure · Singleplayer

Caster
Shared: Action · Adventure · Indie

Deliver Us The Moon
Shared: Adventure · Action · Indie

God of War
Shared: Action · Adventure · Singleplayer

Black Mesa
Shared: Action · Singleplayer · Atmospheric

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

Call of Duty®: Black Ops III
Shared: Zombies · Action · Singleplayer

Planet of Lana
Shared: Action · Atmospheric · Adventure

A Story About My Uncle
Shared: Adventure · Indie · Singleplayer

Marvel’s Spider-Man Remastered
Shared: Action · Adventure · Singleplayer

Resident Evil 3
Shared: Action · Zombies · Singleplayer

Ori and the Will of the Wisps
Shared: Action · Adventure · Singleplayer

Stray
Shared: Adventure · Singleplayer · Atmospheric

The Hat Man: Shadow Ward
Shared: Adventure · Indie · Action

Red Dead Redemption 2
Shared: Adventure · Action · Singleplayer

The Walking Dead: A New Frontier
Shared: Zombies · Adventure · Atmospheric

Resident Evil 0
Shared: Adventure · Zombies · Action

Resident Evil 2
Shared: Zombies · Action · Singleplayer

Zombotron
Shared: Action · Adventure · Indie

Seen
Shared: Adventure · Indie · Singleplayer