Games like Incident Number Eight
Games like Incident Number Eight include Neon White, Celeste, Portal 2, Bomb Rush Cyberfunk, and Sonic Adventure 2. We matched them by the tags players give Incident Number Eight on Steam (Adventure, Action, Platformer, 3D Platformer, and Precision Platformer): closest matches first, and among equally close ones the better-known games.

Neon White
Shared: 3D Platformer · Platformer · Action

Celeste
Shared: Precision Platformer · Platformer · Adventure

Portal 2
Shared: Platformer · 3D Platformer · Singleplayer

Bomb Rush Cyberfunk
Shared: Action · Adventure · 3D Platformer

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

Tomb Raider Game of the Year
Shared: Adventure · Action · Female Protagonist

Pumpkin Jack
Shared: Adventure · Action · 3D Platformer

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

Sonic Frontiers
Shared: Adventure · Action · 3D Platformer

Psychonauts
Shared: Adventure · Platformer · Action

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

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

Pseudoregalia
Shared: 3D Platformer · Platformer · Female Protagonist

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

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

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

Rise of the Tomb Raider™
Shared: Adventure · Action · Female Protagonist

Jump King
Shared: Adventure · Precision Platformer · Platformer

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

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

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

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

Woolfe - The Red Hood Diaries
Shared: Adventure · Action · Platformer

Tomb Raider: Underworld
Shared: Adventure · Action · Platformer