Games like Randomice
Games like Randomice include Öoo, ANIMAL WELL, Ori and the Will of the Wisps, Leap Year, and Hollow Knight. We matched them by the tags players give Randomice on Steam (Exploration, Metroidvania, 2D Platformer, Puzzle Platformer, and Puzzle): closest matches first, and among equally close ones the better-known games.

Öoo
Shared: Metroidvania · Puzzle Platformer · 2D Platformer

ANIMAL WELL
Shared: Exploration · Metroidvania · Puzzle

Ori and the Will of the Wisps
Shared: Metroidvania · Platformer · Exploration

Leap Year
Shared: Exploration · 2D Platformer · Metroidvania

Hollow Knight
Shared: Metroidvania · Platformer · Exploration

Webbed
Shared: 2D Platformer · Exploration · Puzzle Platformer

Portal 2
Shared: Puzzle · Platformer · Puzzle Platformer

Wuppo: Definitive Edition
Shared: Exploration · Metroidvania · 2D Platformer

TUNIC
Shared: Exploration · Metroidvania · Puzzle

Supraland
Shared: Exploration · Metroidvania · Puzzle Platformer

Hollow Knight: Silksong
Shared: Metroidvania · Exploration · 2D

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

Supraland Six Inches Under
Shared: Metroidvania · Exploration · Puzzle Platformer

Momodora: Reverie Under The Moonlight
Shared: Metroidvania · 2D Platformer · Exploration

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

MIO: Memories in Orbit
Shared: Exploration · Metroidvania · Platformer

The Darkest Tales — Into the Nightmare
Shared: 2D Platformer · Metroidvania · Exploration

Well Dweller
Shared: Metroidvania · Action-Adventure · Exploration

FEZ
Shared: Exploration · Puzzle · Platformer

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

Arzette: The Jewel of Faramore
Shared: Exploration · Metroidvania · 2D Platformer

Prince of Persia The Lost Crown
Shared: Exploration · Metroidvania · 2D Platformer

La-Mulana 2
Shared: Metroidvania · Puzzle Platformer · Action-Adventure

Supraworld
Shared: Exploration · Metroidvania · Puzzle