These games tend to emphasize sneaking around and avoiding enemy notice over direct conflict, for example, the Metal Gear series, and the Sly Cooper series. In a Stealth game, players are usually still able to engage in loud, conspicuous combat, but are often punished for it.
Other games, such as Dishonored, the player can obtain their goal with or without stealth, but stealth is encouraged as the player is at a disadvantage over many of their enemies. The inclusion of stealth as a mechanic in a game does not necessarily make it a Stealth Game. For example, Skyrim has an entire perk tree dedicated to “Sneaking”, but there are few opportunities to use it effectively until the player invests dozens of perks into it, and most of the dungeons in the game are set up in favor of the hack-and-slash strategy that most players adopt.[original research?
The first stealth game was Manbiki Shounen (Shoplifting Boy), published in November 1979. The PET 2001 personal computer game was developed by Hiroshi Suzuki.
Hideo Kojima’s Metal Gear was the first mainstream stealth game, with the player starting the game unarmed, and sold over a million copies in the United States. Metal Gear 2: Solid Snake evolved the stealth gameplay of its predecessor. Metal Gear and Metal Gear 2 are credited with pioneering stealth mechanics. Metal Gear Solid, which debuted at the 1996 Tokyo Game Show, was the first 3D stealth game and is credited with popularizing the stealth game genre, as well as the hiding-behind-cover mechanic.