Games like Droid Guier
Games like Droid Guier include Police Stories, 鬼谷八荒 Tale of Immortal, The Last Spell, Strike Force Heroes, and Freeman: Guerrilla Warfare. We matched them by the tags players give Droid Guier on Steam (Tactical RPG, Arena Shooter, Shooter, Exploration, and Arcade): closest matches first, and among equally close ones the better-known games.

Police Stories
Shared: Tactical · Shooter · Top-Down Shooter

鬼谷八荒 Tale of Immortal
Shared: Tactical RPG · RPG · Exploration

The Last Spell
Shared: Tactical RPG · RPG · Tactical

Strike Force Heroes
Shared: Shooter · Arena Shooter · 2D

Freeman: Guerrilla Warfare
Shared: Shooter · RPG · Action

Escape From Duckov
Shared: Shooter · Exploration · Top-Down Shooter

Fallout 4
Shared: Exploration · Shooter · RPG

The Ascent
Shared: Top-Down Shooter · Shooter · RPG

SNKRX
Shared: Arena Shooter · Top-Down Shooter · Shooter

Ready or Not
Shared: Shooter · Tactical · Action

Door Kickers
Shared: Tactical · Strategy · Indie

Nova Drift
Shared: Arena Shooter · Arcade · Shooter

PUBG: BATTLEGROUNDS
Shared: Shooter · Tactical · Action

The Banner Saga
Shared: Tactical RPG · RPG · 2D

Echo Point Nova
Shared: Shooter · Arena Shooter · Exploration

Intravenous 2
Shared: Shooter · Tactical · Top-Down Shooter

12 is Better Than 6
Shared: Shooter · Top-Down Shooter · Action

Deployment
Shared: Arena Shooter · Shooter · Top-Down Shooter

UFO 50
Shared: Arcade · Indie · 2D

Insurgency
Shared: Shooter · Tactical · Action

Counter-Strike: Source
Shared: Shooter · Tactical · Action

Chippy
Shared: Arena Shooter · Shooter · Arcade

ShellShock Live
Shared: Shooter · 2D · Strategy

Kill The Crows
Shared: Arcade · Arena Shooter · Top-Down Shooter