Games like Tinertia
Games like Tinertia include Katana ZERO, Hollow Knight, Super Meat Boy, Pizza Tower, and Skul: The Hero Slayer. We matched them by the tags players give Tinertia on Steam (Action, Indie, Twin Stick Shooter, Platformer, and Difficult): closest matches first, and among equally close ones the better-known games.

Katana ZERO
Shared: Action · Platformer · Indie

Hollow Knight
Shared: Platformer · Indie · Difficult

Super Meat Boy
Shared: Indie · Platformer · Difficult

Pizza Tower
Shared: Indie · Fast-Paced · Platformer

Skul: The Hero Slayer
Shared: Action · Indie · Platformer

Hollow Knight: Silksong
Shared: Indie · Difficult · Platformer

Beat Saber
Shared: VR · Fast-Paced · Action

Cuphead
Shared: Difficult · Platformer · Indie

Hotline Miami
Shared: Action · Indie · Fast-Paced

Nine Sols
Shared: Action · Difficult · Platformer

Risk of Rain (2013)
Shared: Indie · Action · Platformer

Thumper
Shared: Indie · Action · Difficult

Super Hexagon
Shared: Indie · Difficult · Fast-Paced

My Friend Pedro
Shared: Action · Indie · Platformer

Celeste
Shared: Indie · Difficult · Platformer

Rogue Legacy 2
Shared: Action · Indie · Platformer

Bleed
Shared: Action · Indie · Platformer

Hotline Miami 2: Wrong Number
Shared: Action · Difficult · Fast-Paced

Devil Daggers
Shared: Indie · Action · Difficult

One Finger Death Punch
Shared: Action · Indie · Fast-Paced

RUINER
Shared: Action · Indie · Twin Stick Shooter

DeadCore
Shared: Action · Indie · Platformer

SYNTHETIK: Legion Rising
Shared: Indie · Action · Twin Stick Shooter

SpeedRunners
Shared: Indie · Action · Platformer