Games like Guardians Survival
Games like Guardians Survival include The Riftbreaker, Once Human, 7 Days to Die, Mr. Prepper, and Dead Age. We matched them by the tags players give Guardians Survival on Steam (Survival, Casual, Shoot 'Em Up, Hack and Slash, and Roguelike): closest matches first, and among equally close ones the better-known games.

The Riftbreaker
Shared: Survival · Hack and Slash · Tower Defense

Once Human
Shared: Survival · Action · Exploration

7 Days to Die
Shared: Survival · Exploration · Base Building

Mr. Prepper
Shared: Survival · Simulation · Casual

Dead Age
Shared: Survival · Casual · Simulation

Home Behind
Shared: Survival · Casual · Simulation

Enshrouded
Shared: Survival · Exploration · Base Building

Disney Dreamlight Valley
Shared: Casual · Exploration · Character Customization

Dune: Awakening
Shared: Survival · Exploration · Base Building

Core Keeper
Shared: Survival · Exploration · Simulation

Home Behind 2
Shared: Roguelike · Survival · Simulation

Grounded 2
Shared: Survival · Exploration · Action

Kenshi
Shared: Survival · Simulation · RPG

Factorio
Shared: Survival · Automation · Casual

PUBG: BATTLEGROUNDS
Shared: Survival · Action · Strategy

The Forest
Shared: Survival · Exploration · Action

The Alters
Shared: Survival · Exploration · Base Building

The Last Caretaker
Shared: Survival · Automation · Base Building

Escape From Duckov
Shared: Survival · Action · Exploration

DAVE THE DIVER
Shared: Casual · Exploration · Simulation

Kingdom: New Lands
Shared: Survival · Roguelike · Exploration

Valheim
Shared: Survival · Exploration · Base Building

Book of Yog Idle RPG
Shared: Hack and Slash · Casual · Simulation

Keplerth
Shared: Survival · Casual · Exploration