Games like Nephew's Vendetta
Games like Nephew's Vendetta include Escape From Duckov, PUBG: BATTLEGROUNDS, Megabonk, Army of Ruin, and MADNESS: Project Nexus. We matched them by the tags players give Nephew's Vendetta on Steam (Action, Survival, Bullet Hell, Gun Customization, and Hack and Slash): closest matches first, and among equally close ones the better-known games.

Escape From Duckov
Shared: Action · Survival · Shooter

PUBG: BATTLEGROUNDS
Shared: Survival · Shooter · Action

Megabonk
Shared: Bullet Hell · Survival · Action

Army of Ruin
Shared: Bullet Hell · Hack and Slash · Top-Down Shooter

MADNESS: Project Nexus
Shared: Hack and Slash · Shooter · Gun Customization

Snake Force
Shared: Action · Shooter · Top-Down Shooter

20 Minutes Till Dawn
Shared: Survival · Bullet Hell · Top-Down Shooter

Hotline Miami
Shared: Action · Violent · Top-Down

The Last Stand: Aftermath
Shared: Survival · Top-Down Shooter · Shooter

Intravenous 2
Shared: Shooter · Action · Gun Customization

Grand Theft Auto V Legacy
Shared: Action · Shooter · Crime

Brotato
Shared: Bullet Hell · Survival · Hack and Slash

God of War
Shared: Action · Hack and Slash · Story Rich

Bright Memory: Infinite
Shared: Action · Shooter · Hack and Slash

Hades
Shared: Action · Hack and Slash · Indie

Ready or Not
Shared: Shooter · Action · Gun Customization

RUINER
Shared: Action · Top-Down Shooter · Violent

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

Call of Duty®: Modern Warfare®
Shared: Action · Shooter · Gun Customization

Hotline Miami 2: Wrong Number
Shared: Action · Violent · Top-Down

Devil May Cry 5
Shared: Action · Hack and Slash · Violent

Gem Defender: Soyjak Survivors
Shared: Action · Bullet Hell · Survival

Monsters are Coming!
Shared: Action · Bullet Hell · Top-Down

Sky Force Reloaded
Shared: Bullet Hell · Action · Top-Down Shooter