Games like Summit
Games like Summit include Hollow Knight, Hollow Knight: Silksong, Rain World, Ori and the Will of the Wisps, and The Witcher 3: Wild Hunt — Remastered. We matched them by the tags players give Summit on Steam (Metroidvania, 2D Platformer, Exploration, Open World, and Multiple Endings): closest matches first, and among equally close ones the better-known games.

Hollow Knight
Shared: Metroidvania · Exploration · Platformer

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

Rain World
Shared: Exploration · Atmospheric · Open World

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

The Witcher 3: Wild Hunt — Remastered
Shared: Open World · Adventure · Atmospheric

ANIMAL WELL
Shared: Metroidvania · Exploration · Adventure

Haiku, the Robot
Shared: Metroidvania · Exploration · Adventure

Fallout 4
Shared: Open World · Exploration · Adventure

Hogwarts Legacy
Shared: Open World · Adventure · Exploration

Öoo
Shared: Metroidvania · 2D Platformer · Exploration

Supraland
Shared: Metroidvania · Exploration · Adventure

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

Sable
Shared: Exploration · Open World · Adventure

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

Dust: An Elysian Tail
Shared: Metroidvania · Adventure · Platformer

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

Webbed
Shared: 2D Platformer · Exploration · 2D

Crimson Desert Enhanced
Shared: Open World · Exploration · Adventure

Assassin's Creed® Odyssey
Shared: Open World · Exploration · Multiple Endings

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

Owlboy
Shared: Metroidvania · Adventure · Platformer

Reventure
Shared: Adventure · Multiple Endings · Exploration

S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition
Shared: Open World · Exploration · Atmospheric

Rise of the Tomb Raider™
Shared: Adventure · Open World · Exploration