Games like Lost Beacon
Games like Lost Beacon include Unravel, The Last Campfire, Human Fall Flat, My Little Puppy, and Portal 2. We matched them by the tags players give Lost Beacon on Steam (Adventure, Action, Puzzle, Puzzle Platformer, and 3D): closest matches first, and among equally close ones the better-known games.

Unravel
Shared: Action · Adventure · Puzzle

The Last Campfire
Shared: Adventure · Puzzle · Cute

Human Fall Flat
Shared: Puzzle · Adventure · Puzzle Platformer

My Little Puppy
Shared: Adventure · Dogs · Colorful

Portal 2
Shared: Puzzle · Puzzle Platformer · Adventure

Demon Slayer -Kimetsu no Yaiba- The Hinokami Chronicles
Shared: Action · Adventure · 3D

COCOON
Shared: Adventure · Puzzle · Puzzle Platformer

Pikuniku
Shared: Adventure · Puzzle · Action

Planet of Lana
Shared: Action · Puzzle Platformer · Puzzle

Unravel Two
Shared: Puzzle · Adventure · Action

Moss VR
Shared: Adventure · Puzzle · Action

Tomb Raider Game of the Year
Shared: Adventure · Action · Puzzle

Rise of the Tomb Raider™
Shared: Adventure · Action · Puzzle

Supraland Six Inches Under
Shared: Puzzle Platformer · Adventure · Puzzle

Once Upon A KATAMARI
Shared: Action · Adventure · 3D

Bomb Rush Cyberfunk
Shared: Action · Adventure · Colorful

Portal
Shared: Puzzle · Puzzle Platformer · Action

Slime Rancher
Shared: Adventure · Cute · Colorful

Escape From Duckov
Shared: Adventure · Action · Cute

Outcore: Desktop Adventure
Shared: Adventure · Puzzle · Cute

SpongeBob SquarePants: Battle for Bikini Bottom - Rehydrated
Shared: Adventure · Action · Cartoon

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

Webbed
Shared: Puzzle Platformer · Cute · Action

Darwin's Paradox!
Shared: Adventure · Action · Puzzle