id Software has released the source code of Splash Damage's Wolfenstein: Enemy Territory and Grey Matter's Return to Castle Wolfenstein as part of its QuakeCon festivities, letting everyone tinker under the hood of the Quake 3 engine-based shooters.

The RtCW source code can be downloaded from FileShack, with separate multiplayer and singleplayer components, as can the Enemy Territory source code. All are licensed under version 3 of the GNU General Public License. Read more »

Update 3: More comparisons surfaced overnight, revealing that Limbo of the Lost apparently contains background elements of Gray Matter's Return to Castle Wolfenstein, World of Warcraft artwork, and a shocking number of Unreal Tournament 2004 maps.

Maleficus sends along word that his Fritz Bot for Wolfenstein: Enemy Territory is now available. The bots are aware of objectives, the game's offensive and defensive phases, and the needs of teammates. Sounds impressive.

Activision sends along a new Wolfenstein: Enemy Territory patch, updating the multiplayer game to v2.60. There are some minor server and client engine optimizations, anisotropic texture filtering support has been added and there are some various other changes/additions as well. An updated Linux release (and patch) is available as well.

The first release of Enemy Territory Fortress is now available, offering fortress gameplay for the free Wolfenstein: Enemy Territory game. There's also an ET Shackbattle happening later today if you're up for some gaming.

There's a new Call of Duty: United Offensive preview on GameSpot this afternoon, taking a look at what all is new in this expansion pack. Several new screenshots and videos are included as well. Another preview can be found at PC.IGN, and GameSpy has one as well.

In another G4/Tech TV piece Todd Hollenshead talked about what's next for id, which is an all-new property. He also mentioned Return to Castle Wolfenstein 2 is in development, though didn't say what company is developing it. EuroGamer is speculating the developer might be Splash Damage, contributor to DOOM3's multiplayer maps (and they did Wolfenstein: Enemy Terroritory). In a job posting from a while ago the UK based studio mentions "In a continuation of our successful collaboration with id Software and Activision we have started production of a new full game based on the cutting-edge Doom 3 engine".

Maleficus let us know that he has released the first version of his Fritz Bot for Return to Castle Wolfenstein. Only the map MP_Destruction is supported with this release.

Activision sends along the Wolfenstein: Enemy Territory source code, finally allowing people to create mods for the game. According to the accompanying readme file, Visual C++ version 6 or greater is recommended.

If you still haven't picked up Return of Castle Wolfenstein or for some reason want to pay for Enemy Territory, Activion and id Software have announced that Return to Castle Wolfenstein: The Platinum Edition is now in stores. For $29.99 you'll get the original Gray Matter Entertainment game and Enemy Territory which you can also find on FileShack.

As promised, Activision has released Wolfenstein: Enemy Territory patches for both Windows and Linux. There are a few client and server related fixes.

Activision sends along word that they'll be releasing a new patch for Wolfenstein: Enemy Territory later today. The 1.02 update includes several client and server fixes, including a fix for the bugs where private slots on a passworded server weren't working and no stats were being kept for kills with the akimbo pistols.

As promised, Activision has released the Wolfenstein: Enemy Territory level editor allowing people to create their own maps for this free WW2 shooter. The release is unsupported, help can be found at http://www.splashdamage.com/forums/.

Activision sends along word that a map editor for Wolfenstein: Enemy Territory will be released tomorrow, though when exactly and what kind of documentation will be included is not known.

As promised, Activision has released a Windows and Linux server update for Wolfenstein: Enemy Territory. The patch improves server stability and updates the Even Balance anti-cheating software. Clients don't need this patch.