Games like Zombie Pirates
Games like Zombie Pirates include Plants vs. Zombies GOTY Edition, Plants vs. Zombies™: Replanted, Plants vs. Zombies: Battle for Neighborville™, Bloons TD 6, and Ultimate Zombie Defense. We matched them by the tags players give Zombie Pirates on Steam (Casual, Pirates, Zombies, and Tower Defense): closest matches first, and among equally close ones the better-known games.

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

Plants vs. Zombies™: Replanted
Shared: Tower Defense · Zombies · Casual

Plants vs. Zombies: Battle for Neighborville™
Shared: Zombies · Casual · Tower Defense

Bloons TD 6
Shared: Tower Defense · Casual

Ultimate Zombie Defense
Shared: Casual · Zombies · Tower Defense

YORG.io
Shared: Casual · Tower Defense · Zombies

Kingdom Rush - Tower Defense
Shared: Tower Defense · Casual

Night of the Dead
Shared: Zombies · Tower Defense

Bloons TD 5
Shared: Tower Defense · Casual

Diplomacy is Not an Option
Shared: Zombies · Tower Defense · Casual

Rogue Tower
Shared: Casual · Tower Defense

They Are Billions
Shared: Zombies · Tower Defense

The Spotter: Dig or Die
Shared: Tower Defense · Zombies · Casual

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

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

Necrosmith
Shared: Zombies · Tower Defense

Plague Inc: Evolved
Shared: Casual · Zombies

City Defense Z
Shared: Casual · Zombies · Tower Defense

Fort Defense
Shared: Casual · Tower Defense · Pirates

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

7 Days to Die
Shared: Zombies · Tower Defense

Progressbar95
Shared: Casual · Tower Defense

Arms Evolution: ZOMBIE DESTROYER
Shared: Casual · Tower Defense · Zombies

Yet Another Zombie Defense HD
Shared: Zombies · Tower Defense