Stealth Game - Game Design

Game Design

When hiding in the dark is a gameplay element, light and shadow become important parts of the level design. Usually the player is able to disable certain light sources. Stealth games also emphasize the audio design when players must be able to hear the subtle sound effects that may alert enemies to their actions; noise will often vary as the player walks on different surfaces such as wood or metal. Players who move recklessly will make more noise and attract more attention.

In order for a game to include stealth gameplay, the knowledge of the artificial intelligence (AI) must be restricted to make it ignorant to parts of the game world. The AI in stealth games takes into specific consideration the enemies' reactions to the effects of the player's actions, such as turning off the lights, as opposed to merely reacting to the player directly. Enemies typically have a line of sight which the player can avoid by hiding behind objects, staying in the shadows or moving while the enemy is facing another direction. Enemies can also typically detect when the player touches them or moves within a small, fixed distance. Overall, stealth games vary in what player actions the AI will perceive and react to, with more recent games offering a wider range of enemy reactions. Often, the AI's movements are predictable and regular, allowing the player to devise a strategy to overcome his adversaries.

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