Metal Gear Solid is an action-adventure stealth video game produced by Konami Computer Entertainment Japan and released for the PlayStation in 1998. The game was directed, produced, and co-written by series creator Hideo Kojima, and serves as a sequel to the MSX2 video games Metal Gear and Metal Gear 2: Solid Snake, which Kojima also wrote and directed.Metal Gear Solid follows Solid Snake, a soldier who infiltrates a nuclear weapons facility to neutralize the terrorist threat from FOXHOUND, a renegade special forces unit. Snake must liberate two hostages, the head of DARPA and the president of a major arms manufacturer, confront the terrorists, and stop them from launching a nuclear strike. Cinematic cutscenes were rendered using the in-game engine and graphics, and voice actingwas used throughout the entire game.Metal Gear Solid was well received, shipping more than six million copies, and scoring an average of 94/100 on the aggregate website Metacritic. It is regarded as one of the greatest and most important video games of all time and is often seen as the game which helped popularize the stealth genre. The commercial success of the title prompted the release of an expanded version for the PlayStation and PC, titled Metal Gear Solid: Integral; and a remake, Metal Gear Solid: The Twin Snakes was later released for the GameCube. The game has also spawned numerous sequels, prequels, and spin-offs, including several games, a radio drama, comics, and novels.

An upgraded version of Metal Slug 2, titled Metal Slug X, was released in March 1999 for the Neo Geo MVS. It fixed slowdown problems from the original game, and increased the difficulty. Metal Slug X also introduced some new elements to the game system;Much of the music has been remixed or altered.A new announcerMany stages have the time of day changed. Instead of individual levels being set at either day or night, the stages can take place at dusk, twilight, or sunset.It is now possible for the player character to become fat by collecting food items in every stage after Mission 2; in the original game, the obese transformation was only possible in Mission 4.All levels contain an increased enemy count and new enemy placements, as well as different enemy characters, and new boss placements.Vehicle types and locations are different.There are more power-ups, POWs, and items (particularly food) in each mission. These items are often hidden.Many environmental elements have different reactions when shot, such as exploding with unexpected results or randomly spewing out items or enemies.Stronger versions like the heavy machine gun, flameshot, shotgun, laser rifle, and rocket launcher are available. Each deals more damage than their normal counterpart, has a different appearance and a wider (or longer) area of impact. If the player happens to be fat while using these heavier weapons, they appear differently and can cause even more damage.Several new weapons are included: Stones, Iron Lizard, Enemy Chaser, Super Grenade, Drop Shot, and a new Golden Metal Slug, which is available in Mission 3.Added Fio's death sound (In Metal Slug 2, she uses Eri's)The original art for Metal Slug is shown at the end of the game while the credits are rolling, instead of the black screen used in Metal Slug 2.

Twisted Metal 4 is a vehicular combat video game developed by 989 Studios and published by Sony Computer Entertainment for the PlayStation. The game was released in North America on October 31, 1999 and was re-released for the Sony Greatest Hits line-up in 2000. Like the previous installment, it wasn't released in the PAL regions.Twisted Metal 4 is the fourth installment in the Twisted Metal series and the second and last installment to be developed by 989 Studios. The game's plot centers on Sweet Tooth, the long-time mascot of the titular Twisted Metal competition, overthrowing Calypso, the mysterious organizer of the competition, in a coup d'état. He then takes over the mantle of granting the winner of the competition a single wish, regardless of price, size or even reality.Twisted Metal 4 received mixed to positive reviews from critics, who considered it to be an improvement over the previous Twisted Metal III, particularly in terms of level design.