Conversation tree

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A conversation tree is a gameplay mechanic that is used throughout many adventure games[1][2][3][4][5][6] (including action-adventure games[7] and, occasionally, role-playing games). When the player encounters a non-player character, a conversation begins. The player is allowed to select a choice of what to say. The NPC gives a scripted response to the player, and the game offers the player several new ways to respond. The whole conversation is actually a tree structure, with players deciding which branches to explore. Players who are aware of the underlying interaction structure may refer to a conversation as "navigating the conversation tree".

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