Games like Peaceful Gunner
Games like Peaceful Gunner include Plants vs. Zombies: Battle for Neighborville™, Marvel Rivals, Broforce, Kingdom Rush - Tower Defense, and HELLDIVERS™ 2. We matched them by the tags players give Peaceful Gunner on Steam (Action, Casual, Shooter, Tower Defense, and Third-Person Shooter): closest matches first, and among equally close ones the better-known games.

Plants vs. Zombies: Battle for Neighborville™
Shared: Third-Person Shooter · Shooter · Casual

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

Broforce
Shared: Action · 2D · Pixel Graphics

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

HELLDIVERS™ 2
Shared: Action · Shooter · Third-Person Shooter

Paladins®
Shared: Action · Hero Shooter · Shooter

Planes, Bullets and Vodka
Shared: Action · Casual · Shooter

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

ShellShock Live
Shared: Action · Shooter · Casual

The Mean Greens - Plastic Warfare
Shared: Action · Shooter · Third-Person Shooter

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

Vampire Survivors
Shared: 2D · Casual · Pixel Graphics

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

Hotline Miami
Shared: Action · Pixel Graphics · Indie

Let Them Come
Shared: Action · Tower Defense · Shooter

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

Duck Game
Shared: Action · 2D · Pixel Graphics

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

Pixel Gun 3D: PC Edition
Shared: Shooter · Action · Pixel Graphics

A Dance of Fire and Ice
Shared: 2D · Casual · Action

Orcs Must Die! 2
Shared: Action · Tower Defense · Third-Person Shooter

Timberman
Shared: Casual · Action · Pixel Graphics

Bloons TD 5
Shared: Tower Defense · Action · Casual

Kingdom Rush Frontiers - Tower Defense
Shared: Tower Defense · 2D · Casual