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 SHENZHEN I/O on Steam are Opus Magnum, TIS-100, SpaceChem, Turing Complete, Human Resource Machine. They rank highest because their Steam community tags overlap most with SHENZHEN I/O's — shared tags include Programming, Automation, Logic.
How are games like SHENZHEN I/O chosen?
Every game is described by the tags Steam players vote on it. Rare, specific tags such as Programming, Automation, Logic count far more than catch-all ones like "Indie" or "Singleplayer", and each game is scored on how closely its whole tag profile matches SHENZHEN I/O's. Popularity never affects the ranking.
