Games like Sycamore
Games like Sycamore include Hot Lava, The Big Catch: Tacklebox, Portal 2, Portal, and Chained Together. We matched them by the tags players give Sycamore on Steam (Exploration, Precision Platformer, 3D Platformer, Puzzle Platformer, and Runner): closest matches first, and among equally close ones the better-known games.

Hot Lava
Shared: Precision Platformer · 3D Platformer · Exploration

The Big Catch: Tacklebox
Shared: 3D Platformer · Precision Platformer · Exploration

Portal 2
Shared: Puzzle · Puzzle Platformer · 3D Platformer

Portal
Shared: Puzzle Platformer · 3D Platformer · Puzzle

Chained Together
Shared: Puzzle Platformer · 3D Platformer · Exploration

Tomb Raider IV-VI Remastered
Shared: 3D Platformer · Exploration · Precision Platformer

ALTF4
Shared: Runner · 3D Platformer · Exploration

Supraland
Shared: Exploration · Puzzle Platformer · Puzzle

ANIMAL WELL
Shared: Exploration · Puzzle Platformer · Puzzle

Monument Valley 2
Shared: Exploration · Puzzle · Precision Platformer

Leap Year
Shared: Exploration · Precision Platformer · Puzzle Platformer

SEUM: Speedrunners from Hell
Shared: Precision Platformer · 3D Platformer · Racing

Only Climb: Better Together
Shared: Precision Platformer · 3D Platformer · Difficult

Celeste
Shared: Precision Platformer · Difficult · Indie

FEZ
Shared: Exploration · Puzzle · Puzzle Platformer

Haste
Shared: 3D Platformer · Runner · Racing

LIMBO
Shared: Puzzle Platformer · Puzzle · Indie

Phantom Abyss
Shared: 3D Platformer · Exploration · Runner

Hob
Shared: Exploration · Puzzle · Puzzle Platformer

Sonic Frontiers
Shared: 3D Platformer · Exploration · Adventure

COCOON
Shared: Exploration · Puzzle Platformer · Puzzle

Human Fall Flat
Shared: Puzzle · Puzzle Platformer · Adventure

Toree 2
Shared: 3D Platformer · Exploration · Precision Platformer

Gum Ball Run
Shared: Precision Platformer · 3D Platformer · Runner