Games like Zombie Wars: Invasion
Games like Zombie Wars: Invasion include Plants vs. Zombies GOTY Edition, Plague Inc: Evolved, Bloons TD 6, Rock 'N' Roll Defense, and YORG.io. We matched them by the tags players give Zombie Wars: Invasion on Steam (Strategy, Indie, Casual, Tower Defense, and Zombies): closest matches first, and among equally close ones the better-known games.

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

Plague Inc: Evolved
Shared: Strategy · Indie · Casual

Bloons TD 6
Shared: Strategy · Tower Defense · Casual

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

YORG.io
Shared: Strategy · Indie · Casual

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

Game Dev Tycoon
Shared: Indie · Strategy · Casual

Mini Motorways
Shared: Strategy · Casual · Indie

They Are Billions
Shared: Strategy · Zombies · Tower Defense

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

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

Warstone TD
Shared: Strategy · Indie · Tower Defense

Bloons TD 5
Shared: Strategy · Tower Defense · Casual

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

Town of Salem
Shared: Strategy · Indie · Casual

Overdungeon
Shared: Strategy · Indie · Casual

Terrorhedron Tower Defense
Shared: Indie · Strategy · Tower Defense

Dead Age
Shared: Strategy · Zombies · Casual

Run!ZombieFood!
Shared: Strategy · Casual · Indie

Rogue Tower
Shared: Strategy · Tower Defense · Casual

Battle Ranch: Pigs vs Plants
Shared: Strategy · Indie · Casual

Ancient Planet Tower Defense
Shared: Strategy · Indie · Tower Defense

Rock of Ages
Shared: Strategy · Indie · Tower Defense

Legion TD 2 - Multiplayer Tower Defense
Shared: Strategy · Tower Defense · Indie