Games like IceLine
Games like IceLine include Baba Is You, Papers, Please, OneShot, Gunpoint, and There Is No Game: Wrong Dimension. We matched them by the tags players give IceLine on Steam (Puzzle, 2D, Pixel Graphics, Logic, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Baba Is You
Shared: Puzzle · Indie · Logic

Papers, Please
Shared: Pixel Graphics · Indie · Puzzle

OneShot
Shared: Pixel Graphics · Puzzle · Indie

Gunpoint
Shared: Puzzle · 2D · Pixel Graphics

There Is No Game: Wrong Dimension
Shared: Puzzle · Indie · Pixel Graphics

I hate this game
Shared: Puzzle · Pixel Graphics · Indie

Pony Island
Shared: Puzzle · Pixel Graphics · Indie

Zup! S
Shared: Puzzle · 2D · Indie

Please, Don’t Touch Anything
Shared: Puzzle · Pixel Graphics · Indie

The Escapists
Shared: Pixel Graphics · 2D · Singleplayer

FEZ
Shared: Puzzle · Pixel Graphics · Indie

CrossCode
Shared: Pixel Graphics · Puzzle · 2D

Vampire Survivors
Shared: Pixel Graphics · 2D · Indie

Firework
Shared: Puzzle · 2D · Indie

Out There Somewhere
Shared: Pixel Graphics · Puzzle · 2D

Hexcells
Shared: Puzzle · Logic · Indie

Patrick's Parabox
Shared: Puzzle · Logic · 2D

The Binding of Isaac: Rebirth
Shared: Pixel Graphics · Indie · Singleplayer

Skul: The Hero Slayer
Shared: Pixel Graphics · Indie · 2D

The Rewinder
Shared: Puzzle · Pixel Graphics · 2D

LIMBO
Shared: Puzzle · Indie · 2D

Opus Magnum
Shared: Puzzle · Logic · Indie

DISTRAINT: Deluxe Edition
Shared: Pixel Graphics · 2D · Indie

CARRION
Shared: Pixel Graphics · 2D · Indie