Games like ZAMB! Endless Extermination
Games like ZAMB! Endless Extermination include Overcooked! 2, It Takes Two, Orcs Must Die! 2, Bloons TD 6, and Broforce. We matched them by the tags players give ZAMB! Endless Extermination on Steam (Tower Defense, Local Co-Op, Twin Stick Shooter, Arcade, and Indie): closest matches first, and among equally close ones the better-known games.

Overcooked! 2
Shared: Local Co-Op · Co-op · Multiplayer

It Takes Two
Shared: Local Co-Op · Co-op · Multiplayer

Orcs Must Die! 2
Shared: Tower Defense · Co-op · Action

Bloons TD 6
Shared: Tower Defense · Co-op · Multiplayer

Broforce
Shared: Local Co-Op · Action · Co-op

HELLDIVERS™ Dive Harder Edition
Shared: Twin Stick Shooter · Local Co-Op · Co-op

Overcooked
Shared: Local Co-Op · Arcade · Indie

X-Morph: Defense
Shared: Tower Defense · Local Co-Op · Indie

Streets of Rage 4
Shared: Indie · Action · Arcade

A Way Out
Shared: Local Co-Op · Co-op · Online Co-Op

Brawlhalla
Shared: Multiplayer · Local Multiplayer · Local Co-Op

Renegade Ops
Shared: Twin Stick Shooter · Arcade · Local Co-Op

Sanctum 2
Shared: Tower Defense · Co-op · Action

Stick Fight: The Game
Shared: Action · Local Multiplayer · Multiplayer

Gang Beasts
Shared: Co-op · Action · Multiplayer

Bopl Battle
Shared: Local Co-Op · Action · Multiplayer

Awesomenauts
Shared: Local Co-Op · Indie · Action

Split Fiction
Shared: Local Co-Op · Co-op · Online Co-Op

Castle Crashers®
Shared: Co-op · Local Co-Op · Online Co-Op

Unrailed!
Shared: Local Co-Op · Co-op · Multiplayer

PICO PARK
Shared: Local Co-Op · Co-op · Online Co-Op

Orcs Must Die! 3
Shared: Tower Defense · Co-op · Action

How to Fish
Shared: Co-op · Indie · Online Co-Op

Human Fall Flat
Shared: Co-op · Local Co-Op · Multiplayer