Games like Zombie House Defense
Games like Zombie House Defense include BALL x PIT, Vampire Survivors, Enter the Gungeon, Cluckmech Oasis, and Escape From Duckov. We matched them by the tags players give Zombie House Defense on Steam (2D, Top-Down Shooter, Bullet Hell, Tower Defense, and Shooter): closest matches first, and among equally close ones the better-known games.

BALL x PIT
Shared: Bullet Hell · Arcade · Top-Down Shooter

Vampire Survivors
Shared: Bullet Hell · 2D · Roguelike

Enter the Gungeon
Shared: Bullet Hell · Roguelike · 2D

Cluckmech Oasis
Shared: Tower Defense · Top-Down Shooter · Roguelike

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

Nuclear Throne
Shared: Bullet Hell · Roguelike · Top-Down Shooter

Exit the Gungeon
Shared: Bullet Hell · 2D · Arcade

Minishoot' Adventures
Shared: Bullet Hell · 2D · Top-Down Shooter

Slime 3K: Rise Against Despot
Shared: Bullet Hell · 2D · Top-Down Shooter

Bot Vice
Shared: Top-Down Shooter · Bullet Hell · Arcade

Rocket Rats
Shared: Bullet Hell · 2D · Shooter

Bit Blaster XL
Shared: Bullet Hell · 2D · Shooter

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

Deep Rock Galactic: Survivor
Shared: Bullet Hell · Top-Down Shooter · PvE

Crab Champions
Shared: Arcade · Roguelike · Bullet Hell

Pathogenic
Shared: Top-Down Shooter · Bullet Hell · Roguelike

12 is Better Than 6
Shared: Top-Down Shooter · Shooter · 2D

Planes, Bullets and Vodka
Shared: Bullet Hell · 2D · Shooter

Necrosmith
Shared: Tower Defense · Bullet Hell · 2D

Halls of Torment
Shared: Bullet Hell · Roguelike · Arcade

Broforce
Shared: 2D · Shooter · Action

LUFTRAUSERS
Shared: Bullet Hell · 2D · Arcade

Nova Drift
Shared: Bullet Hell · Arcade · 2D

Rabbit and Steel
Shared: Bullet Hell · 2D · Roguelike