Indiana Jones Chronicles" explains how Indiana becomes solitary and less idealistic following his service in World War I. In "Indiana Jones and the Kingdom of the Crystal Skull", Jones is older and wiser, whereas his sidekicks Mutt and Mac are youthfully arrogant and greedy, respectively. Indiana Jones is modeled after the strong-jawed heroes of the matinée serials and pulp magazines that George Lucas and Steven Spielberg enjoyed in their childhoods (such as the Republic Pictures serials, and the Doc Savage series). Sir H. Rider Haggard's safari guide/big game hunter Allan Quatermain of "King Solomon's Mines", who dates back to 1885, is a
Indiana Jones George Hall for the VHS and DVD releases, and re-edited the episodes into chronologically ordered feature-length stories. The series title was also changed to "The Adventures of Young Indiana Jones". The character has appeared in several officially licensed games, beginning with adaptations of "Raiders of the Lost Ark", "Indiana Jones and the Temple of Doom", two adaptations of "Indiana Jones and the Last Crusade" (one with purely action mechanics, one with an adventure and puzzle based structure) and "Indiana Jones' Greatest Adventures", which included the storylines from all three of the original films. Following this, the games branched off into