Games like Tentaphage
Games like Tentaphage include Sonic Adventure DX, Sonic Frontiers, Sonic Adventure 2, Ratchet & Clank: Rift Apart, and Psychonauts. We matched them by the tags players give Tentaphage on Steam (Adventure, Platformer, 3D Platformer, 3D, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

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

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

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

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

Psychonauts
Shared: Platformer · Adventure · 3D Platformer

SANABI
Shared: Pixel Graphics · Adventure · Platformer

Portal 2
Shared: Platformer · 3D Platformer · Singleplayer

Pseudoregalia
Shared: 3D Platformer · Platformer · 3D

Shovel Knight: Treasure Trove
Shared: Platformer · Pixel Graphics · Adventure

Celeste
Shared: Pixel Graphics · Platformer · Adventure

Out There Somewhere
Shared: Platformer · Adventure · Pixel Graphics

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

Chained Together
Shared: Adventure · Platformer · 3D Platformer

Pumpkin Jack
Shared: Adventure · 3D Platformer · Third Person

Crash Bandicoot™ 4: It’s About Time
Shared: Platformer · 3D Platformer · Adventure

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

Wavetale
Shared: Adventure · 3D Platformer · Platformer

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

Penny’s Big Breakaway
Shared: Adventure · Platformer · 3D Platformer

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

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

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

Spark the Electric Jester 3
Shared: 3D Platformer · Platformer · 3D

Reventure
Shared: Adventure · Pixel Graphics · Platformer