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Missing Information

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Gmodlogo.svg This article is about a mod.

The subject matter of this article was conceived by third-party developers and is therefore deemed both non-canon and non-official. It cannot be used as a relevant source in articles on official subjects.

MissingInformation new.png
Missing Information

Missing Information Team

Release date(s)
  • 2006 (1.4)
  • 2008 (1.5)
  • 2011 (1.6)





Keyboard and mouse



Missing Information, shortened MI, is a single-player modification based on the cut content from the Half-Life 2 leak. The current version is 1.6.


Game menu, featuring the Borealis.

The first version, version 1.4, released in 2006, features the content shown at E3 2003, including "Traptown" and the Borealis chapter, though in an incomplete stage. It also showcases cut character skins, models, maps, NPCs, and most of the original weapons, such as the Physgun, which was also revived by other mods, such as Garry's Mod.

The second version, version 1.5, released in 2008, is an Orange Box enhanced version of version 1.4 with two new E3 2002 demo maps, "Terminal" and "Depot". It also has a few new models, such as a new shotgun model based on the leak version, and several fixes.

Version 1.6, the third and last release of Missing Information before moving on to episodic releases, was released in April 2011. It features a Borealis chapter reworked and updated with new models, along with changes to the storyline. Furthermore, maps such as e3_ship and mi_buildingblocks were removed from the release.


On October 1, 2015, Missing Information was Greenlit on Steam. The team says that they have come together again with many new members and that being on Steam will enable them to release updates more frequently and easily. The first update will fix all SteamPipe issues. It will most likely come out in 2019.

On January 13, 2019, the mod has finally got its store page and was planned to release as the same day as its Moddb release date, April 1, 2011[1], but due of the current state of Valve way on release a mod to the store page, the lead director said on Twitter "We've been in touch with @steam_games and hopefully our game build will be approved soon".[2]

Legal status[edit]

Updated Odell aboard the Borealis.

When first released, the mod was not sanctioned by Valve, being described as "illegal content," and its Valve Developer Community article was deleted (the deletion log has since been purged).[3] Furthermore, no official permission has ever been given for the redistribution of modified versions of the original leaked material.[4] However, when asked on Steam Support on July 2009, the answer "The mod is not illegal to download and play as long as it is just a mod." was given from Valve.[5] That means that while Valve does not bless the project, it is now not against it as long as it is distributed for free. Furthermore, the Valve Developer Community article was restored in October 2009, and has not been deleted.[6]

See also[edit]


Missing Information
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External links[edit]