Matches come from the tags Steam players vote on each game, weighted so a rare tag counts for far more than one that sits on half the store. A game's popularity never moves it up this list.
The closest matches to Planet of the Eyes on Steam are Nihilumbra, Hue, Out There Somewhere, Max: The Curse of Brotherhood, Defy Gravity Extended. They rank highest because their Steam community tags overlap most with Planet of the Eyes's — shared tags include Puzzle-Platformer, Narration, Platformer.
How are games like Planet of the Eyes chosen?
Every game is described by the tags Steam players vote on it. Rare, specific tags such as Puzzle-Platformer, Narration, Platformer count far more than catch-all ones like "Indie" or "Singleplayer", and each game is scored on how closely its whole tag profile matches Planet of the Eyes's. Popularity never affects the ranking.
