Games like Running in the Y2K
Games like Running in the Y2K include Celeste, SANABI, Super Meat Boy, Broforce, and BlazBlue Entropy Effect. We matched them by the tags players give Running in the Y2K on Steam (Runner, Platformer, Procedural Generation, Shooter, and Action): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · Platformer · 2D Platformer

SANABI
Shared: Action · 2D Platformer · Platformer

Super Meat Boy
Shared: Platformer · Precision Platformer · 2D Platformer

Broforce
Shared: Action · Platformer · Shooter

BlazBlue Entropy Effect
Shared: Platformer · Action · 2D

VVVVVV
Shared: Platformer · Precision Platformer · 2D Platformer

Neon Abyss
Shared: Platformer · Procedural Generation · Shooter

Pizza Tower
Shared: Platformer · 2D Platformer · Action

Downwell
Shared: Platformer · Precision Platformer · Action

Katana ZERO
Shared: Platformer · Action · 2D Platformer

Dead Cells
Shared: Adventure · Platformer · 2D

The End Is Nigh
Shared: Platformer · Precision Platformer · Action

Jump King
Shared: Precision Platformer · Platformer · Action

Sonic Origins
Shared: Action · Platformer · 2D Platformer

Super Meat Boy Forever
Shared: Platformer · Runner · Action

Rusted Moss
Shared: Platformer · Action · Precision Platformer

Rogue Legacy 2
Shared: Platformer · Action · Adventure

Huntdown
Shared: Shooter · Action · Platformer

Out There Somewhere
Shared: Platformer · Action · 2D

Shovel Knight: Treasure Trove
Shared: Platformer · Action · 2D

Zombotron
Shared: Action · Shooter · Platformer

Webbed
Shared: 2D Platformer · Platformer · 2D

Sonic Mania
Shared: Platformer · 2D · Action

Apex Legends™
Shared: Shooter · Action · Free to Play