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Parallel Experiment

85% positive · 781 Steam reviews · released Jun 5, 2025 · by Eleven Puzzles

What it likely sold — estimate, stated as a range on purpose

Lifetime units: ~29,639 (P10–P90: 11,856 – 65,206)

Gross revenue: ~$242,797 ($97,122 – $534,155)

Estimate, method v1.0 — before Steam's ~30% share, refunds and VAT. The band means: we'd be surprised if the truth sat outside it. How we estimate

Player voice — measured shares of Steam thumbs, never a model

Last 90 days: 79% positive across 39 stored reviews. Adventure games with 100+ reviews typically sit around 86% (median of 4160 games).

Story & writing85% positive · 97 mentions
“Puzzle game, graphic adventure, co-op, puzzles, comics, escape. Second installment in the series, the first two being: "Unsolved Case" and "Unboxing the Cryptic Killer." The adventures are based on the stories of two detectives, Ally and…”Recommended · Steam review · Aug 2025 · 16 h played
Multiplayer & community88% positive · 68 mentions
“Puzzle game, graphic adventure, co-op, puzzles, comics, escape. Second installment in the series, the first two being: "Unsolved Case" and "Unboxing the Cryptic Killer." The adventures are based on the stories of two detectives, Ally and…”Recommended · Steam review · Aug 2025 · 16 h played
Gameplay & mechanics84% positive · 38 mentions
“For those who have played the previous entries of the series, this installment expands greatly on gameplay and content. It's especially improves upon the gameplay and the puzzles. Although they removed hints from individual puzzles, they…”Recommended · Steam review · Feb 2026 · 11 h played
Price & value96% positive · 23 mentions
“The game is worth the price. I wasn't expecting even half of what this game offered. This was a wonderful experience, some puzzles harder than others, but overall a very fun and brain teasing game. Will keep playing to find everything that…”Recommended · Steam review · Sep 2025 · 6 h played
Content & longevity76% positive · 21 mentions
“Puzzle game, graphic adventure, co-op, puzzles, comics, escape. Second installment in the series, the first two being: "Unsolved Case" and "Unboxing the Cryptic Killer." The adventures are based on the stories of two detectives, Ally and…”Recommended · Steam review · Aug 2025 · 16 h played
Visuals & audio84% positive · 19 mentions
“It's fine. More of the same from this developer, like their previous games. Its not at all difficult, there's a story told in (comic) slide shows. The artstyle is meh. There's a neat little feature about this particular game - collecting…”Recommended · Steam review · Dec 2025 · 8 h played
Performance & stability67% positive · 18 mentions
“I really enjoyed the game. We once had a bug but restarting helped solve it. The riddles where good and I love the teamwork, you really need to work together or you won't be able to progress, some games are co-op but one player ends up…”Recommended · Steam review · Nov 2025 · 5 h played
Controls & UI93% positive · 14 mentions
“On the cusp of receiving a Negative; only still a Positive because there aren't many other games in this genre. Many of the puzzles have some unnecessary complications added. In a good puzzle game, you put 1 and 1 together. But here, you…”Recommended · Steam review · Feb 2026 · 5 h played

300 recent English reviews stored · topics keyword-matched · topics under 12 mentions stay hidden · methodology

Game DNA — store facts, community tag votes, labeled AI inference

How you play together

MultiplayerCo-opOnline co-op

Platform features

Achievements

Business model

Buy to play

Sources: Valve store fields · community tag votes · AI-inferred values are marked and drawn from a fixed vocabulary.

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