Games like Forest Keeper
Games like Forest Keeper include The Last Campfire, Stray, Donut County, Moncage, and OneShot. We matched them by the tags players give Forest Keeper on Steam (Casual, Adventure, Arcade, Puzzle, and 3D): closest matches first, and among equally close ones the better-known games.

The Last Campfire
Shared: Adventure · Puzzle · Cute

Stray
Shared: Adventure · Atmospheric · Cute

Donut County
Shared: Casual · Puzzle · Cute

Moncage
Shared: Casual · Puzzle · Adventure

OneShot
Shared: Cute · Puzzle · Indie

Spirit of the North
Shared: Adventure · Casual · Puzzle

The Room
Shared: Puzzle · Adventure · Atmospheric

Pikuniku
Shared: Adventure · Casual · Puzzle

Gorogoa
Shared: Puzzle · Casual · Indie

COCOON
Shared: Adventure · Puzzle · Atmospheric

Monument Valley
Shared: Adventure · Puzzle · Casual

Boxes: Lost Fragments
Shared: Puzzle · Adventure · Casual

Carto
Shared: Puzzle · Cute · Adventure

Slime Rancher 2
Shared: Cute · Adventure · Casual

MiSide
Shared: Cute · 3D · Atmospheric

Unpacking
Shared: Casual · Cute · Puzzle

Chants of Sennaar
Shared: Adventure · Puzzle · Indie

Brothers - A Tale of Two Sons
Shared: Adventure · Atmospheric · Puzzle

Slime Rancher
Shared: Adventure · Cute · Casual

Little Nightmares
Shared: Adventure · Atmospheric · Puzzle

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

Florence
Shared: Casual · Adventure · Indie

Little Inferno
Shared: Casual · Puzzle · Indie

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