Guardian's Crusade, known in Japan as Knight & Baby (ナイトアンドベイビー Naito ando Beibī), is a role-playing video game developed by Tamsoft and released for the PlayStation by Activision in 1999. The gameplay is that of a standard turn based role playing game with non-random encounters. While intended for an adult audience as well, the game was something of an introduction to RPGs for children. The game did not enjoy commercial success, though it still maintains a cult following.

Gundam: The Battle Master, later known as Battle Assault, is a series of fighting games released for the PlayStation, PlayStation 2 and Game Boy Advance. The series features mobile suits from several eras of the Gundam metaverse and some non-traditional fighting game elements. Every entry was developed by Bandai in co-operation with Japanese developer Natsume, who also made the 1996 Shin Kidō Senki Gundam Wing: Endless Duel.

Gunfighter: The Legend of Jesse James is a shooter video game developed by Rebellion Developments and published by Ubisoft for the PlayStation. The game's plot is set in the American Old West. The game's protagonist is Jesse James, an American outlaw who lived in the 19th century.

Gunship is a combat flight simulator video game developed and published by MicroProse in 1986. In the game, controlling a simulated AH-64 Apache helicopter, players navigate through missions to attack enemy targets and protect friendly forces. Commercially and critically successful, Gunship was followed by Gunship 2000 and Gunship!.

Hellboy: Dogs of the Night is a 2000 American video game for the PC, developed by Cryo Studios. It was ported to the PlayStation as Hellboy: Asylum Seeker, developed by Hoplite Research and released in 2004.The Hellboy game is based on Dark Horse Comics' science fiction comic book series Hellboy, written and drawn by Mike Mignola.Commercially, the game was not successful. Having spent four years in development, the graphics and game play were dated, and at the time of its release, Hellboy was still a mostly unknown independent comic book series, especially outside the United States. The PC version had numerous bugs, and the PlayStation version was graphically inferior to most others at the time.Both Cryo Studios and Cryo Interactive went out of business shortly after Hellboy's PC release.

Hello Kitty's Cube Frenzy (Hello Kitty's Cube de Cute in Japan) is a puzzle game featuring Hello Kitty for the PlayStation, Game Boy Color gaming systems. In Japan, Cube de Cute saw a reprint in 1999.

Hi-Octane is a racing and vehicular combat video game released in 1995 for the PC, PlayStation and Sega Saturn, developed by Bullfrog, and based upon their earlier Magic Carpet game code.It is notable amongst racing games for its wide and open tracks, and the resulting freedom offered to the player, and also for its excessive speed. It suffered in the marketplace due to thematic similarities with the better received Wipeout by Psygnosis and the generality of its graphics engine made for a very short depth of view compared to contemporary racing games.Hi-Octane is rumored to begin life as something several Bullfrog programmers coded in free time, and then decided to improve the game and market it under the auspices of Electronic Arts. Developer Peter Molyneux stated that EA set Bullfrog under pressure to release Dungeon Keeper, but they weren't able to do so within their deadlines. In order to relieve some of the pressure, they quickly developed Hi Octane.In a Gamasutra article it was mentioned that "PC and Saturn racing game Hi-Octane, was developed in just eight weeks using the Magic Carpet engine, as a way to "fill a quarter that didn't have enough revenue".

Hidden & Dangerous is a 1999 World War II computer and video game developed by Illusion Softworks and published by Take-Two Interactive and TalonSoft for Windows, the Dreamcast, and the PlayStation. The PlayStation port of the game was developed by Tarantula Studios. It is regarded as one of the pioneering tactical first/third person shooters.Hidden & Dangerous was voted the 4th best video game developed in the Czech Republic and Slovakia in a Survey by Czech server BonusWeb.