Games like Running Late
Games like Running Late include Celeste, Brawlhalla, Planet of Lana, Super Meat Boy, and Montaro. We matched them by the tags players give Running Late on Steam (2D Platformer, Runner, Casual, Parkour, and Platformer): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: 2D Platformer · Platformer · Female Protagonist

Brawlhalla
Shared: 2D Platformer · Casual · Platformer

Planet of Lana
Shared: 2D Platformer · Female Protagonist · Platformer

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

Montaro
Shared: Casual · Runner · Anime

Laughing to Die
Shared: Casual · 2D Platformer · Platformer

Momoka (wo) Wasshoi
Shared: 2D Platformer · Casual · Runner

GRIS
Shared: Female Protagonist · Platformer · Indie

Haste
Shared: Parkour · Runner · Female Protagonist

Thank Goodness You're Here!
Shared: 2D Platformer · Casual · Platformer

Hollow Knight: Silksong
Shared: 2D · Platformer · Female Protagonist

Mirror's Edge™ Catalyst
Shared: Parkour · Runner · Female Protagonist

20XX
Shared: 2D Platformer · Platformer · 2D

Muse Dash
Shared: Casual · Female Protagonist · Anime

Vector
Shared: Parkour · Runner · Platformer

Momodora: Reverie Under The Moonlight
Shared: 2D Platformer · Female Protagonist · 2D

Super Fancy Pants Adventure
Shared: Casual · Platformer · Parkour

Braid
Shared: 2D Platformer · Platformer · 2D

VHOLUME
Shared: Parkour · Runner · Casual

Pizza Tower
Shared: 2D Platformer · Platformer · Indie

Hollow Knight
Shared: Platformer · 2D · Indie

Spelunky 2
Shared: 2D Platformer · Platformer · Procedural Generation

30XX
Shared: 2D Platformer · Platformer · 2D

Mina the Hollower
Shared: 2D Platformer · Female Protagonist · Platformer