Games like Heart Chain Kitty
Games like Heart Chain Kitty include A Hat in Time, Yooka-Replaylee, Sonic Frontiers, Yooka-Laylee, and STAR WARS Jedi: Fallen Order™. We matched them by the tags players give Heart Chain Kitty on Steam (Exploration, 3D Platformer, Collectathon, RPG, and Puzzle): closest matches first, and among equally close ones the better-known games.

A Hat in Time
Shared: 3D Platformer · Collectathon · Exploration

Yooka-Replaylee
Shared: Exploration · 3D Platformer · Collectathon

Sonic Frontiers
Shared: 3D Platformer · Exploration · Open World

Yooka-Laylee
Shared: 3D Platformer · Collectathon · Exploration

STAR WARS Jedi: Fallen Order™
Shared: Exploration · Third Person · Open World

Supraland
Shared: Exploration · Puzzle · 3D Platformer

Portal 2
Shared: Puzzle · Platformer · 3D Platformer

Psychonauts
Shared: Platformer · 3D Platformer · Funny

Chained Together
Shared: Platformer · 3D Platformer · Casual

Pumpkin Jack
Shared: 3D Platformer · Collectathon · Action

Hogwarts Legacy
Shared: Exploration · RPG · Open World

Rise of the Tomb Raider™
Shared: Exploration · Third Person · Action

Crimson Desert Enhanced
Shared: Exploration · RPG · Open World

Turnip Boy Commits Tax Evasion
Shared: Exploration · RPG · Puzzle

Fallout 4
Shared: Exploration · RPG · Open World

Wuthering Waves
Shared: RPG · Exploration · Open World

TY the Tasmanian Tiger
Shared: 3D Platformer · Collectathon · Platformer

Assassin's Creed® Odyssey
Shared: RPG · Exploration · Open World

Portal
Shared: 3D Platformer · Puzzle · Funny

Monster Hunter: World
Shared: RPG · Open World · Third Person

Cirno! Lifts a Boulder
Shared: Exploration · 3D Platformer · Collectathon

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

Tainted Grail: The Fall of Avalon
Shared: RPG · Exploration · Open World

Yellow Taxi Goes Vroom
Shared: 3D Platformer · Exploration · Platformer