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Games that try to simulate real-world activities (like driving vehicles or living the life of someone else) with as much realism as possible. Simulators generally require more study and orientation than arcade games, and the best simulators are also educational.

Focusing on automation and minimal player interaction, idle games let you watch progress unfold over time. Players often engage in occasional interactions like upgrades to influence growth rates or efficiencies, while the game typically accumulates resources autonomously.