Games like Hero World
Games like Hero World include Kao the Kangaroo: Round 2 (2003 re-release), ATLYSS, Chained Together, A Hat in Time, and Spyro™ Reignited Trilogy. We matched them by the tags players give Hero World on Steam (Side Scroller, 3D Platformer, Casual, Tutorial, and Adventure): closest matches first, and among equally close ones the better-known games.

Kao the Kangaroo: Round 2 (2003 re-release)
Shared: 3D Platformer · Adventure · Casual

ATLYSS
Shared: Character Customization · 3D Platformer · Adventure

Chained Together
Shared: Casual · Adventure · Platformer

A Hat in Time
Shared: 3D Platformer · Cute · Adventure

Spyro™ Reignited Trilogy
Shared: 3D Platformer · Adventure · Platformer

Sonic Adventure DX
Shared: 3D Platformer · Platformer · Adventure

Woodle Tree Adventures
Shared: 3D Platformer · Adventure · Platformer

Yooka-Laylee
Shared: 3D Platformer · Adventure · Platformer

A Story About My Uncle
Shared: Adventure · 3D Platformer · Platformer

WEBFISHING
Shared: Casual · Character Customization · Cute

Pikuniku
Shared: Casual · Adventure · Indie

A Short Hike
Shared: Adventure · Casual · Cute

Once Upon A KATAMARI
Shared: Adventure · 3D · Casual

Donut County
Shared: Casual · Adventure · Cute

Sackboy™: A Big Adventure
Shared: Adventure · Platformer · 3D Platformer

Slime Rancher
Shared: Adventure · Cute · Casual

Slime Rancher 2
Shared: Cute · Adventure · Casual

The Last Campfire
Shared: Adventure · Cute · 3D Platformer

Grow Up
Shared: Casual · Adventure · 3D Platformer

The Plucky Squire
Shared: 3D Platformer · Adventure · Cute

Florence
Shared: Casual · Adventure · Indie

Sonic Forces
Shared: 3D Platformer · Adventure · Character Customization

Crash Bandicoot™ N. Sane Trilogy
Shared: 3D Platformer · Platformer · Adventure

Ratchet & Clank: Rift Apart
Shared: 3D Platformer · Adventure · Platformer