Games like ARCA-102
Games like ARCA-102 include Outer Wilds, Blue Prince, Stray, Deliver Us The Moon, and COCOON. We matched them by the tags players give ARCA-102 on Steam (Exploration, Adventure, Mystery, Space, and Puzzle): closest matches first, and among equally close ones the better-known games.

Outer Wilds
Shared: Exploration · Mystery · Space

Blue Prince
Shared: Exploration · Mystery · Puzzle

Stray
Shared: Adventure · Exploration · Singleplayer

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

COCOON
Shared: Adventure · Exploration · Puzzle

No Man's Sky
Shared: Exploration · Space · Adventure

The Room 4: Old Sins
Shared: Mystery · Adventure · Puzzle

The House of Da Vinci
Shared: Mystery · Exploration · Puzzle

Firewatch
Shared: Adventure · Mystery · Exploration

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

The Swapper
Shared: Puzzle · Space · Adventure

Riven
Shared: Adventure · Exploration · Puzzle

Quern - Undying Thoughts
Shared: Adventure · Mystery · Exploration

Starfield
Shared: Space · Exploration · Singleplayer

Chants of Sennaar
Shared: Adventure · Puzzle · Singleplayer

The Room
Shared: Mystery · Puzzle · Adventure

What Remains of Edith Finch
Shared: Mystery · Exploration · Adventure

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

The Room Three
Shared: Adventure · Mystery · Puzzle

The Witness
Shared: Exploration · Puzzle · Singleplayer

Observation
Shared: Adventure · Space · Sci-fi

FAR: Lone Sails
Shared: Adventure · Exploration · Singleplayer

In Other Waters
Shared: Adventure · Exploration · Singleplayer

The Turing Test
Shared: Puzzle · Adventure · Space

