Games like City Defense Z
Games like City Defense Z include Plants vs. Zombies GOTY Edition, Megabonk, Plague Inc: Evolved, Balatro, and Dome Keeper. We matched them by the tags players give City Defense Z on Steam (Roguelike, Casual, Zombies, Indie, and Roguelite): closest matches first, and among equally close ones the better-known games.

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

Megabonk
Shared: Roguelike · Indie · Roguelite

Plague Inc: Evolved
Shared: Indie · Zombies · Casual

Balatro
Shared: Roguelike · Singleplayer · Roguelite

Dome Keeper
Shared: Roguelike · Post-apocalyptic · Singleplayer

Hades
Shared: Roguelite · Indie · Roguelike

Vampire Survivors
Shared: Roguelite · Roguelike · Indie

They Are Billions
Shared: Zombies · Tower Defense · Strategy

Rogue Tower
Shared: Roguelike · Casual · Tower Defense

FTL: Faster Than Light
Shared: Roguelike · Indie · Singleplayer

Brotato
Shared: Roguelike · Singleplayer · Roguelite

Yet Another Zombie Survivors
Shared: Zombies · Roguelite · Indie

Infection Free Zone
Shared: Zombies · Post-apocalyptic · Strategy

Deadly Days
Shared: Indie · Casual · Roguelite

Dead Age
Shared: Zombies · Casual · Indie

The King is Watching
Shared: Roguelike · Tower Defense · Roguelite

Loop Hero
Shared: Roguelike · Roguelite · Indie

Bloons TD 6
Shared: Tower Defense · Casual · Singleplayer

The Binding of Isaac: Rebirth
Shared: Roguelike · Indie · Singleplayer

7 Days to Die
Shared: Zombies · Survival · Post-apocalyptic

Emberward
Shared: Tower Defense · Roguelite · Indie

Slay the Spire
Shared: Roguelike · Roguelite · Indie

Yokai Art: Night Parade of One Hundred Demons
Shared: Roguelite · Tower Defense · Casual

Apocalypse Party
Shared: Casual · Singleplayer · Roguelike