Games like Attack Heroes
Games like Attack Heroes include ICEY, The Vagrant, Dungeon Munchies, Dust: An Elysian Tail, and Your Only Move Is HUSTLE. We matched them by the tags players give Attack Heroes on Steam (Indie, Adventure, Anime, 2D, and Action): closest matches first, and among equally close ones the better-known games.

ICEY
Shared: Anime · Action · Adventure

The Vagrant
Shared: 2D · Action · Adventure

Dungeon Munchies
Shared: Indie · Adventure · Action

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

Your Only Move Is HUSTLE
Shared: Action · 2D Fighter · 2D

Bladed fury
Shared: Indie · Adventure · Action

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

Eastern Exorcist
Shared: Action · Adventure · 2D

Epic Battle Fantasy 4
Shared: Indie · Adventure · JRPG

Cat Quest
Shared: Adventure · Indie · Action

Epic Battle Fantasy 5
Shared: Indie · Adventure · JRPG

Monster Boy and the Cursed Kingdom
Shared: Adventure · Indie · Action

Persona® 5 Strikers
Shared: Anime · Adventure · JRPG

NieR:Automata™
Shared: Action · Hack and Slash · Anime

Labyronia RPG
Shared: Adventure · Anime · Indie

Tales of Berseria™
Shared: Anime · JRPG · Action

Ni no Kuni™ II: Revenant Kingdom
Shared: Anime · Adventure · JRPG

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

Ys VIII: Lacrimosa of DANA
Shared: Anime · Action · Adventure

Granblue Fantasy: Relink
Shared: Anime · JRPG · Action

Bastion
Shared: Indie · Action · Adventure

DRAGON BALL Z: KAKAROT
Shared: Anime · Action · Adventure

Touhou Hero of Ice Fairy
Shared: Anime · Side Scroller · Indie

Bloodstained: Ritual of the Night
Shared: Adventure · Action · Anime