Games like Protecting the diamond
Games like Protecting the diamond include Escape From Duckov, Warhammer 40,000: Space Marine 2, PRAGMATA, Marvel Rivals, and Red Dead Redemption 2. We matched them by the tags players give Protecting the diamond on Steam (Action, Casual, Adventure, Tower Defense, and Third-Person Shooter): closest matches first, and among equally close ones the better-known games.

Escape From Duckov
Shared: Action · Adventure · Top-Down Shooter

Warhammer 40,000: Space Marine 2
Shared: Action · Third-Person Shooter · Adventure

PRAGMATA
Shared: Action · Third-Person Shooter · Adventure

Marvel Rivals
Shared: Third-Person Shooter · Action · Casual

Red Dead Redemption 2
Shared: Action · Adventure · Realistic

Caster
Shared: Action · Adventure · Casual

Orcs Must Die! 3
Shared: Tower Defense · Action · Third-Person Shooter

MindsEye
Shared: Action · Third-Person Shooter · Adventure

Tomb Raider Game of the Year
Shared: Action · Adventure · Third-Person Shooter

Rock 'N' Roll Defense
Shared: Casual · Action · Tower Defense

Cyberhunt
Shared: Action · Casual · Adventure

Resident Evil Requiem
Shared: Action · Third-Person Shooter · Adventure

Halo: Spartan Assault
Shared: Action · Top-Down Shooter · Sci-fi

Warhammer 40,000: Space Marine - Anniversary Edition
Shared: Action · Third-Person Shooter · Sci-fi

Orcs Must Die! 2
Shared: Action · Tower Defense · Adventure

Grand Theft Auto V Legacy
Shared: Action · Adventure · Third-Person Shooter

Rise of the Tomb Raider™
Shared: Action · Adventure · Third-Person Shooter

Resident Evil 4
Shared: Action · Third-Person Shooter · Realistic

Ultimate Zombie Defense
Shared: Action · Casual · Tower Defense

Kingdom Rush - Tower Defense
Shared: Tower Defense · Casual · Action

PUBG: BATTLEGROUNDS
Shared: Action · Third-Person Shooter · Adventure

VLADiK BRUTAL
Shared: Action · Adventure · Casual

Red Dead Online
Shared: Action · Adventure · Realistic

Gears 5
Shared: Action · Adventure · Third-Person Shooter