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Constructing and managing cities, towns, or settlements. City builder games typically involve zoning land, placing buildings, managing resources, and ensuring the wellbeing of citizens. Players balance factors like population growth, economy, infrastructure, and environment as they guide their city's development over time. Strategy and planning are key to succeeding.

Science-fiction. Commonly including things like aliens, advanced technology, and settings of outer space or distant planets. 

A type of game where the player builds defensive structures to stop waves of enemies from reaching and destroying their base. Towers can be equipped with many kinds of weapons, but generally are unable to move. Resources earned by defeating enemies allow for more towers to be built.