Games like Escape: Underground
Games like Escape: Underground include LIMBO, SANABI, INSIDE, Thomas Was Alone, and Celeste. We matched them by the tags players give Escape: Underground on Steam (2D Platformer, Action-Adventure, Side Scroller, Dark, and Robots): closest matches first, and among equally close ones the better-known games.

LIMBO
Shared: Puzzle Platformer · Dark · Atmospheric

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

INSIDE
Shared: Dark · Puzzle Platformer · Atmospheric

Thomas Was Alone
Shared: Side Scroller · 2D Platformer · Platformer

Celeste
Shared: 2D Platformer · Platformer · Precision Platformer

Trine 2: Complete Story
Shared: Action-Adventure · 2D Platformer · Puzzle Platformer

Creepy Tale
Shared: 2D Platformer · Puzzle Platformer · Action-Adventure

Planet of Lana
Shared: 2D Platformer · Puzzle Platformer · Atmospheric

Trine Enchanted Edition
Shared: Action-Adventure · 2D Platformer · Puzzle Platformer

Anomaly Agent
Shared: 2D Platformer · Side Scroller · Action-Adventure

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

Seen
Shared: Dark · Atmospheric · Adventure

FAR: Changing Tides
Shared: Action-Adventure · Atmospheric · Puzzle Platformer

Deadlight
Shared: Side Scroller · Platformer · Action

Little Nightmares
Shared: Atmospheric · Dark · Puzzle Platformer

Trine 5: A Clockwork Conspiracy
Shared: Action-Adventure · 2D Platformer · Puzzle Platformer

Little Nightmares II
Shared: Dark · Atmospheric · Adventure

The Pedestrian
Shared: Side Scroller · Puzzle Platformer · 2D Platformer

MIO: Memories in Orbit
Shared: Action-Adventure · Atmospheric · Platformer

Mark of the Ninja
Shared: Side Scroller · Platformer · 2D

BlazBlue Entropy Effect
Shared: Action-Adventure · 2D · Action

Ghost Song
Shared: 2D · Atmospheric · Side Scroller

Braid
Shared: 2D Platformer · Puzzle Platformer · Platformer

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