In Sink: A Co-Op Escape Prologue
More competitive
Open game pageA new lead turns up old doubts about an 'Unsolved Case'. A trap, or a copycat killer? In this co-op puzzle game prequel to the award-winning Cryptic Killer series, put on your detective badges as you collaborate and communicate to crack the codes, solve the riddles, and catch the Cryptic Killer.
Games that feels the closest overall
Games that feels like Unsolved Case but with more exploration of areas and secrets
Games that feels like Unsolved Case but with less of a pull toward endless continuation
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Unsolved Case: Less representative of its motivational profile, with noticeable differences. Motivations that often define this kind of title include Cooperation, Fellowship, Intimacy, Leadership. It leans lower than usual among comparable games on Violence, Survival, Exploration.
Last update: 21/08/2026