Games like WHALIEN - Unexpected Guests
Games like WHALIEN - Unexpected Guests include Donut County, Human Fall Flat, Portal, Portal 2, and The Last Campfire. We matched them by the tags players give WHALIEN - Unexpected Guests on Steam (Puzzle, Physics, Puzzle Platformer, Cozy, and Adventure): closest matches first, and among equally close ones the better-known games.

Donut County
Shared: Puzzle · Physics · Funny

Human Fall Flat
Shared: Puzzle · Physics · Funny

Portal
Shared: Puzzle · Puzzle Platformer · Physics

Portal 2
Shared: Puzzle · Puzzle Platformer · Story Rich

The Last Campfire
Shared: Puzzle · Adventure · Cute

Octodad: Dadliest Catch
Shared: Physics · Adventure · Family Friendly

There Is No Game: Wrong Dimension
Shared: Puzzle · Adventure · Funny

Pikuniku
Shared: Puzzle · Adventure · Cute

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

Superliminal
Shared: Puzzle · Physics · Story Rich

Untitled Goose Game
Shared: Puzzle · Funny · Cute

Little Nightmares
Shared: Puzzle Platformer · Adventure · Puzzle

Scribblenauts Unlimited
Shared: Puzzle · Adventure · Family Friendly

Totally Accurate Battle Simulator
Shared: Physics · Funny · Adventure

LIMBO
Shared: Puzzle · Puzzle Platformer · Adventure

Viewfinder
Shared: Puzzle · Puzzle Platformer · Physics

Return to Monkey Island
Shared: Puzzle · Adventure · Comedy

Supraland
Shared: Puzzle Platformer · Adventure · Physics

Tinykin
Shared: Puzzle · Family Friendly · Cute

Bugsnax
Shared: Adventure · Story Rich · Puzzle

World of Goo
Shared: Puzzle · Physics · Singleplayer

Is This Seat Taken?
Shared: Puzzle · Cozy · Cute

Murders on the Yangtze River
Shared: Puzzle · Adventure · Story Rich

LEGO® Builder's Journey
Shared: Puzzle · Cozy · Cute