Games like Hero Guardian Team
Games like Hero Guardian Team include Skul: The Hero Slayer, Dead Cells, Vampire Survivors, Rogue Legacy, and UnderMine. We matched them by the tags players give Hero Guardian Team on Steam (Adventure, Action Roguelike, 2D, Cartoon, and Zombies): closest matches first, and among equally close ones the better-known games.

Skul: The Hero Slayer
Shared: Action Roguelike · 2D · Indie

Dead Cells
Shared: Adventure · Action Roguelike · 2D

Vampire Survivors
Shared: Action Roguelike · 2D · Indie

Rogue Legacy
Shared: Action Roguelike · 2D · Indie

UnderMine
Shared: Action Roguelike · Adventure · Indie

South Park™: The Stick of Truth™
Shared: Adventure · 2D · Action

SKYHILL
Shared: Action Roguelike · Adventure · Zombies

Dust: An Elysian Tail
Shared: Adventure · 2D · Action

Kingdom Rush - Tower Defense
Shared: 2D · Fantasy · Adventure

Kingdom Rush 5: Alliance TD
Shared: 2D · Cartoon · Fantasy

Zombotron
Shared: Adventure · 2D · Zombies

Deadlight
Shared: Zombies · Adventure · Indie

The Binding of Isaac
Shared: Action Roguelike · Indie · Adventure

BlazBlue Entropy Effect
Shared: Action Roguelike · 2D · Action

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Indie · 2D

Cult of the Lamb
Shared: Action Roguelike · 2D · Adventure

Have a Nice Death
Shared: Action Roguelike · 2D · Action

Lucky Tower Ultimate
Shared: Action Roguelike · Adventure · 2D

ScourgeBringer
Shared: Adventure · Action Roguelike · Indie

Hollow Knight: Silksong
Shared: 2D · Indie · Adventure

Hades
Shared: Action Roguelike · Indie · Action

Monster Boy and the Cursed Kingdom
Shared: Adventure · 2D · Indie

Enter the Gungeon
Shared: Action Roguelike · Indie · 2D

Melvor Idle
Shared: Adventure · 2D · Indie