Games like Tortuga
Games like Tortuga include Sonic Frontiers, The Big Catch: Tacklebox, Portal 2, A Hat in Time, and Yooka-Laylee. We matched them by the tags players give Tortuga on Steam (3D Platformer, Platformer, Precision Platformer, Singleplayer, and Adventure): closest matches first, and among equally close ones the better-known games.

Sonic Frontiers
Shared: 3D Platformer · Adventure · Singleplayer

The Big Catch: Tacklebox
Shared: 3D Platformer · Platformer · Adventure

Portal 2
Shared: Platformer · Singleplayer · 3D Platformer

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

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

Pumpkin Jack
Shared: 3D Platformer · Adventure · Singleplayer

Supraland
Shared: Adventure · Singleplayer · Exploration

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

Celeste
Shared: Precision Platformer · Platformer · Singleplayer

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

Psychonauts
Shared: Platformer · Singleplayer · Adventure

Hollow Knight
Shared: Platformer · Singleplayer · Adventure

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

Ori and the Will of the Wisps
Shared: Platformer · Singleplayer · Adventure

Neon White
Shared: 3D Platformer · Platformer · Singleplayer

Crimson Desert Enhanced
Shared: Singleplayer · Adventure · Exploration

Hob
Shared: Adventure · Singleplayer · Platformer

Pseudoregalia
Shared: 3D Platformer · Platformer · Exploration

Chained Together
Shared: Platformer · Adventure · 3D Platformer

SONIC X SHADOW GENERATIONS
Shared: 3D Platformer · Platformer · Singleplayer

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

Rise of the Tomb Raider™
Shared: Adventure · Singleplayer · Exploration

Get To Work
Shared: Adventure · Singleplayer · 3D Platformer

Sonic Adventure 2
Shared: 3D Platformer · Platformer · Adventure