In Baldur's Gate 2, if the player killed the character Drizzt in Baldur's Gate 1 (Something that the game didn't expect you to do) and steal his swords, and then import that character into Baldur's Gate 2. If you kept his swords when you meet him again he tells you he wants his swords back and attacks. As well if you create a character with the name Drizzt and talk to him he tells you he's challenging you for the glory of that name.
Randy Pitchford the CEO of Gearbox has a very long career that includes working on the Atomic Edition of Duke Nukem 3D at 3D Realms. He mapped out the boss level in the expansion "The Queen" and a few other levels. Later he bought Duke Nukem Forever from 3D Realms and sold it under his company.
Speaking of Duke Nukem 3D there's a lot of really good gaming trivia about it. Duke Nukem 3D was originally set in a dark dystopia that was based on the first two games. There were numerous similarities to the final game such as a level with subway cars, a chapter that took place in space and a lot of the weapon/enemy graphics were very similar. One of the levels was a map that took place around an oil tanker, and did not appear in the final game but instead was remade in the Atomic Edition as "Derelict". On Duke's hand was a barcode tattooed on it and it was clearly very reminiscent of Nineteen Eighty Four. Eventually the developer decided they wanted to try something else for the game so they scrapped that version and reworked the game to be a parody on movies. What is left of the old dark version of Duke Nukem 3D was kept archived as "Lameduke" and can be downloaded off 3D Realms's website.
Again with Duke Nukem 3D. In the original Mac port of the game, they slipped in an amusing Easter egg.
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Legacy of Kain Blood Omen includes an absurdly hard to find secret area called the HMS Bitter that was only found by accident more then 12 years after the game released. It was found by a modding team that are creating Blood Omnicide and found it by using the walk through walls cheat and walking behind a building you couldn't access. It would then teleport you to a pirate ship called the HMS Bitter and you would fight pirates and then leave. It wasn't apart of 100% completion and nobody knew of it's existence until it was found by accident. It's only possible to do on the PSX version of the game due to the use of Gameshark and not on the PS3/PSP re-releases.
c-no said:
-The Fallout series was influence by an old crpg game known as Wasteland.
Fallout was by the same developers as Wasteland. Rather they made Fallout because they lost the rights to Wasteland since it was published by Electronic Arts. Before they decided to make Fallout they initiated development of another game called "Meantime" but cancelled development due to the failing of the 8bit market at the time. Instead they decided to make their own "Spiritual successor" to Wasteland called Fallout and decided to self publish it so they could retain the rights. Years after that Brian Fargo left Interplay and formed his own company called Troika where they made their own spiritual successor to Fallout called "Arcanum: Of Steamworks and Magick Obscura" which is a game that plays very similarly to the original two Fallout games but is set in a steampunk universe.