Games like Grimm's Folly
Games like Grimm's Folly include Portal 2, Half-Life 2, The Talos Principle, Portal, and Indiana Jones and the Great Circle. We matched them by the tags players give Grimm's Folly on Steam (Puzzle, Adventure, 1990's, Dystopian , and First-Person): closest matches first, and among equally close ones the better-known games.

Portal 2
Shared: Puzzle · First-Person · Story Rich

Half-Life 2
Shared: Sci-fi · Adventure · Story Rich

The Talos Principle
Shared: Puzzle · First-Person · Story Rich

Portal
Shared: Puzzle · First-Person · Sci-fi

Indiana Jones and the Great Circle
Shared: Puzzle · First-Person · Adventure

Amnesia: Rebirth
Shared: Puzzle · First-Person · Adventure

UNCHARTED™: Legacy of Thieves Collection
Shared: Adventure · Story Rich · Puzzle

Road 96
Shared: 1990's · First-Person · Adventure

BioShock Infinite
Shared: First-Person · Adventure · Story Rich

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

Bendy and the Dark Revival
Shared: First-Person · Adventure · Puzzle

Little Nightmares II
Shared: Adventure · Puzzle · Story Rich

Atomic Heart
Shared: Adventure · Puzzle · Action-Adventure

Half-Life
Shared: 1990's · Sci-fi · First-Person

A Story About My Uncle
Shared: Adventure · First-Person · Puzzle

Tomb Raider Game of the Year
Shared: Adventure · Story Rich · Puzzle

Rise of the Tomb Raider™
Shared: Adventure · Puzzle · Story Rich

Outer Wilds
Shared: Adventure · Puzzle · Story Rich

Poppy Playtime
Shared: Puzzle · First-Person · Singleplayer

Half-Life: Opposing Force
Shared: Sci-fi · First-Person · 1990's

The Talos Principle 2
Shared: Puzzle · Story Rich · First-Person

Seen
Shared: Adventure · Puzzle · Singleplayer

The Turing Test
Shared: Puzzle · First-Person · Adventure

Deliver Us The Moon
Shared: Adventure · Puzzle · Sci-fi