Curiosity: What's Inside the Cube?

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Tap to drill through layers of a giant cube in this multiplayer game where millions of players worldwide try to reach the center first. Each tap removes a tile from the 150-layer structure while others do the same. Players can block tiles to slow opponents but risk being outmaneuvered. The goal shifts from personal progress to predicting how others will react to your moves. This brief experiment in crowd behavior ran for seven months before concluding in 2013. Over 23 million people participated across mobile platforms with no set end condition beyond the first player reaching the core. The winner received a cash prize and bragging rights as the first to uncover the mystery. Its minimalist design and focus on social interaction made it a short-lived but notable example of emergent multiplayer dynamics.