Games like DeadZone Outpost
Games like DeadZone Outpost include Plants vs. Zombies GOTY Edition, Stoneshard, Cookie Clicker, Vampire Survivors, and Banana. We matched them by the tags players give DeadZone Outpost on Steam (Turn-Based, Zombies, 2D, Resource Management, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Plants vs. Zombies GOTY Edition
Shared: Zombies · Tower Defense · 2D

Stoneshard
Shared: Turn-Based · Pixel Graphics · Survival

Cookie Clicker
Shared: Pixel Graphics · Casual · 2D

Vampire Survivors
Shared: Pixel Graphics · 2D · Roguelite

Banana
Shared: 2D · Singleplayer · Casual

Balatro
Shared: Pixel Graphics · Turn-Based · Singleplayer

The Last Spell
Shared: Turn-Based · Singleplayer · RPG

Forager
Shared: Pixel Graphics · Survival · 2D

Tower Wizard
Shared: Resource Management · 2D · Pixel Graphics

Terraria
Shared: 2D · Survival · Pixel Graphics

The Final Station
Shared: Pixel Graphics · 2D · Zombies

Dragon Cliff
Shared: Pixel Graphics · RPG · Casual

Shelldiver
Shared: Resource Management · Casual · 2D

Dead Age
Shared: Zombies · Survival · RPG

Oxygen Not Included
Shared: Resource Management · Survival · 2D

The Escapists
Shared: Pixel Graphics · 2D · Singleplayer

Bloons TD 6
Shared: Tower Defense · Singleplayer · Casual

They Are Billions
Shared: Zombies · Survival · Tower Defense

Sheltered
Shared: Survival · Pixel Graphics · Resource Management

DAVE THE DIVER
Shared: Pixel Graphics · Casual · Singleplayer

Swag and Sorcery
Shared: Pixel Graphics · 2D · RPG

Necrosmith
Shared: Zombies · Tower Defense · 2D

Zero Stress King: Idle Defense
Shared: Tower Defense · 2D · Casual

Factorio
Shared: Resource Management · Survival · 2D