Warcraft III is set on a map of varying sizes, such as large plains and fields, with terrain features such as rivers, mountains, seas, or cliffs
The map is initially hidden from the player and only becomes visible through exploration[1] Areas that are no longer in sight of an allied unit or building are covered by the fog of war, meaning that while the terrain remains visible, changes such as enemy troop movements and building construction are not[1] During a game, players must build settlements to gain resources, defend themselves against other players, and train units to explore the map and attack computer-controlled enemies[2] There are three main resources managed in Warcraft III: gold, wood, and food[3] The first two are needed to build units and buildings, while food limits the maximum number of units the player can control at once[2] In addition, producing units above a certain amount reduces the amount of gold that can be earned, forcing players to focus on playing with a limited number of units
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