Games like Little H.O.P.E.
Games like Little H.O.P.E. include Carto, Stray, FAR: Lone Sails, TOEM: A Photo Adventure, and Murders on the Yangtze River. We matched them by the tags players give Little H.O.P.E. on Steam (Adventure, Puzzle, Exploration, 2.5D, and Hand-drawn): closest matches first, and among equally close ones the better-known games.

Carto
Shared: Puzzle · Exploration · Adventure

Stray
Shared: Adventure · Exploration · Puzzle

FAR: Lone Sails
Shared: Adventure · Exploration · 2.5D

TOEM: A Photo Adventure
Shared: Puzzle · Adventure · Exploration

Murders on the Yangtze River
Shared: Puzzle · Adventure · Exploration

COCOON
Shared: Adventure · Puzzle · Exploration

Machinarium
Shared: Puzzle · Hand-drawn · Adventure

TUNIC
Shared: Puzzle · Exploration · Cute

Outer Wilds
Shared: Exploration · Adventure · Puzzle

Chants of Sennaar
Shared: Adventure · Puzzle · Stylized

Gorogoa
Shared: Puzzle · Hand-drawn · Adventure

Labyrinth City: Pierre the Maze Detective
Shared: Adventure · Puzzle · Hand-drawn

STASIS: BONE TOTEM
Shared: Adventure · Puzzle · Isometric

A Short Hike
Shared: Adventure · Exploration · Cute

Blue Prince
Shared: Puzzle · Exploration · Adventure

Big Walk
Shared: Puzzle · Exploration · Adventure

Slime Rancher
Shared: Adventure · Exploration · Cute

Milo and the Magpies
Shared: Adventure · Exploration · Hand-drawn

The Talos Principle 2
Shared: Puzzle · Exploration · Sci-fi

Slice of Sea
Shared: Adventure · Puzzle · Exploration

The Last Campfire
Shared: Adventure · Puzzle · Cute

Song of Nunu: A League of Legends Story
Shared: Adventure · Exploration · Puzzle

The Talos Principle
Shared: Puzzle · Adventure · Exploration

Lorelei and the Laser Eyes
Shared: Adventure · Puzzle · Exploration