Games like ZombieRun
Games like ZombieRun include Deadlight, Skul: The Hero Slayer, Dust: An Elysian Tail, Katana ZERO, and Broforce. We matched them by the tags players give ZombieRun on Steam (Action, Indie, Platformer, and Zombies): closest matches first, and among equally close ones the better-known games.

Deadlight
Shared: Action · Platformer · Zombies

Skul: The Hero Slayer
Shared: Action · Indie · Platformer

Dust: An Elysian Tail
Shared: Action · Platformer · Indie

Katana ZERO
Shared: Action · Platformer · Indie

Broforce
Shared: Action · Platformer · Indie

Rogue Legacy
Shared: Platformer · Indie · Action

Risk of Rain (2013)
Shared: Indie · Action · Platformer

Zombotron
Shared: Action · Indie · Zombies

Hollow Knight
Shared: Platformer · Indie · Action

My Friend Pedro
Shared: Action · Indie · Platformer

Rogue Legacy 2
Shared: Action · Platformer · Indie

Mark of the Ninja
Shared: Platformer · Indie · Action

Guns, Gore & Cannoli
Shared: Action · Zombies · Indie

Shovel Knight: Treasure Trove
Shared: Platformer · Indie · Action

Zombie Kill of the Week - Reborn
Shared: Action · Indie · Zombies

Zombie Night Terror
Shared: Zombies · Indie · Action

Gravity Circuit
Shared: Action · Indie · Platformer

Deadly 30
Shared: Action · Indie · Zombies

Nine Sols
Shared: Action · Platformer · Indie

BlazBlue Entropy Effect
Shared: Action · Platformer · Indie

Pizza Tower
Shared: Indie · Platformer · Action

MO:Astray
Shared: Action · Indie · Platformer

Awesomenauts
Shared: Action · Platformer · Indie

Ori and the Will of the Wisps
Shared: Platformer · Action · Indie

