Games like Rose and Locket
Games like Rose and Locket include Celeste, SANABI, Hollow Knight: Silksong, Planet of Lana, and 12 is Better Than 6. We matched them by the tags players give Rose and Locket on Steam (Twin Stick Shooter, 2D Platformer, Hand-drawn, Comic Book, and Supernatural): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: 2D Platformer · Difficult · Female Protagonist

SANABI
Shared: 2D Platformer · Action · Adventure

Hollow Knight: Silksong
Shared: Difficult · Indie · Female Protagonist

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

12 is Better Than 6
Shared: Western · Hand-drawn · Action

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

Afterimage
Shared: 2D Platformer · Female Protagonist · Side Scroller

GRIS
Shared: Hand-drawn · Female Protagonist · Atmospheric

Hollow Knight
Shared: Difficult · Hand-drawn · Indie

Jotun: Valhalla Edition
Shared: Hand-drawn · Action · Female Protagonist

Prince of Persia The Lost Crown
Shared: 2D Platformer · Side Scroller · Action

Nine Sols
Shared: Hand-drawn · Difficult · Action

DR LIVESEY ROM AND DEATH EDITION
Shared: Hand-drawn · Action · Difficult

Forgotton Anne
Shared: Hand-drawn · 2D Platformer · Female Protagonist

Thank Goodness You're Here!
Shared: Hand-drawn · 2D Platformer · Adventure

Gorogoa
Shared: Hand-drawn · Indie · Atmospheric

Hades II
Shared: Action · Female Protagonist · Hand-drawn

Blasphemous 2
Shared: 2D Platformer · Difficult · Side Scroller

Oxenfree
Shared: Supernatural · Female Protagonist · Atmospheric

Hoa
Shared: 2D Platformer · Hand-drawn · Atmospheric

F.I.S.T.: Forged In Shadow Torch
Shared: 2D Platformer · Action · Adventure

Rain World
Shared: Difficult · 2D Platformer · Atmospheric

ENDER LILIES: Quietus of the Knights
Shared: Female Protagonist · Difficult · Atmospheric

Insomnia: Theater in the Head
Shared: Hand-drawn · Female Protagonist · Stylized