Games like Brain Marmelade
Games like Brain Marmelade include SANABI, Hollow Knight, Well Dweller, GRIS, and Anomaly Agent. We matched them by the tags players give Brain Marmelade on Steam (Adventure, Action-Adventure, Visual Novel, Platformer, and Side Scroller): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Adventure · 2D Platformer · Action-Adventure

Hollow Knight
Shared: Platformer · Adventure · 2D

Well Dweller
Shared: Action-Adventure · Adventure · Platformer

GRIS
Shared: Adventure · Platformer · Hand-drawn

Anomaly Agent
Shared: Side Scroller · 2D Platformer · Platformer

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

Hoa
Shared: Action-Adventure · 2D Platformer · Adventure

Creepy Tale
Shared: Adventure · Platformer · 2D Platformer

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

LIMBO
Shared: Platformer · Adventure · 2D

The Plucky Squire
Shared: Adventure · Action-Adventure · 2D Platformer

Celeste
Shared: Platformer · 2D Platformer · Adventure

Rain World
Shared: Platformer · Adventure · 2D

Neva
Shared: Adventure · Platformer · 2D Platformer

Constance
Shared: Platformer · Action-Adventure · Adventure

Deadlight
Shared: Platformer · Adventure · Side Scroller

Webbed
Shared: 2D Platformer · Platformer · 2D

Nine Sols
Shared: Platformer · 2D · Adventure

The Darkest Tales — Into the Nightmare
Shared: Adventure · Action-Adventure · Platformer

Owlboy
Shared: Adventure · Platformer · 2D

Sonic Superstars
Shared: Adventure · Platformer · Action-Adventure

Hollow Knight: Silksong
Shared: Platformer · Adventure · 2D

Bō: Path of the Teal Lotus
Shared: Side Scroller · Platformer · 2D Platformer

Pizza Tower
Shared: 2D Platformer · Platformer · Cartoony