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Team Fortress 2 Invasion is the successor to Brotherhood of Arms, and the predecessor to the final Team Fortress 2. It is presumed to have been developed from about 2002 to 2003, since most of the leaked files are from around this time.

OverviewEdit

Team Fortress 2 Invasion is a "steampunk" first-person shooter developed by Valve Corporation, one of the proposed sequels to Team Fortress Classic. Like with multiple other early designs of TF2, it was cut for varying and unclear reasons.

GameplayEdit

There are two teams, the Humans and the Alines. Gameplay is primarily based in collecting resources[1], which are gained through collecting from Resource Pumps, kills, and destruction of enemy buildables.

ClassesEdit

There are several classes present in this incarnation, including:

Class name Description Image
Commando A ranged power class, using a laser rifle to dominate offensively. Hcommando front
Defender A defensive class, who uses his minigun and buildings to lock down areas.
Escort A support-based class that uses a large shield to help protect his teammates from enemy fire.
Medic A support class using a "Repair Gun" to heal teammates and buildings. Smallmed isolate
Pyro A flamethrower-equipped class, able to use gas cans to place traps for his enemies.
Sapper/technician A versatile class that is effective both offensively and defensively. He is able to build useful Resource Pumps. 080
Sniper A sniper rifle-equipped class who can turn invisible when standing still.

ReleasesEdit

2003 LeakEdit

In 2003, a German hacker gained access to Valve's files and took Valve's development files, which reportedly included a full build of TF2. In his leaks, he released some of what he had to the public, which amounted to the Human and Alien Commando models and the full source code at the time.

Although the only two models that remain released to the public to this day are only the Human and Alien Commando models, a look at the source code clearly hints that many more models were done during the development of the game. Such model references, include, for example:

  • models/objects/vehicle_battering_ram.mdl
  • models/objects/obj_manned_plasmagun.mdl

Moby Francke, ~2005-2008Edit

Sometime between April 4th, 2005 and June 14, 2008, Moby Francke created a new portfolio to replace his earlier HTML-based one. It is not entirely known what was contained within, as the Flash-based introduction page seen at the start prevented web crawlers from getting past it.

Though normal web-archiving services failed to grab it, the Half-Life wiki has some images from before the later portfolio with "mobyfrancke.com" as the stated source.[2][3] A few of these are not seen in the later portfolio.

GalleryEdit

TF2Portal.de, 2009Edit

On September 18, 2009, and September 30, 2009, TF2Portal.de released three otherwise unseen alien designs from "2000-2003". [4][5]

GalleryEdit

Robin Walker E-MailEdit

On June of 2016, Robin Walker was contacted about this particular set of sketches, and revealing that this release is from an earlier "Humans vs Aliens" stage:

ImagesEdit

2012 Source Engine LeakEdit

In Adamix's 2012 leak of the Source Engine's source, there is still a large amount of code leftover from this incarnation of TF2.

Moby Francke, 2013Edit

Around July of 2013[6], Moby Francke left Valve and overhauled his portfolio with several bits of new art, with among them several early Invasion-era concepts. The art was mainly silhouettes and concepts for human characters, with a few concepts for larger aliens included.[7]

GalleryEdit

Chuck Jones, 2014Edit

In August of 2014, Chuck Jones posted a large collection of concept art from this version of TF2, which depicted a multitude of weapon designs with a cyberpunk theme. Unlike Moby's exclusive releases of character concepts, his varied art depicted various, environments, renders, and even included a partial screenshot, with a wealth of informative captions included with the gallery. [8] A snippet of text about the project was included alongside:

Early TF2 explored multiple pathways in art direction and game design. It first started with Modern warfare TF2 then to Space TF2 with aliens. After more exploration, War of the Worlds TF2 was getting some traction. We had a steampunk flair to all the designs. This version had a truck with a big battering ram driving around. And we were using Striders from HL2 as the Tripod aliens.

GalleryEdit

RecreationsEdit

GabeNEdit

Tf2a From around 2006 to 2008, Team GabeN actively attempted to remake this game from the code. A direct release was never made, but a large amount of information about it is present on their wiki. The TF2 page was last edited in 2008[9], so it can be presumed that the project fell into inactivity around that time.

"Christmas" Alpha / X-Mas BuildEdit

Strangely, a version of this mod dated to Christmas of 2006 was uploaded to BetaArchive's FTP server. It, in turn, was released to the public by LucaPM[10], though with some assets stripped.

Mine / TFI TeamEdit

A modified version of the Christmas Alpha with some improvements, started between 2015 & 2016. The first release was on October 1, 2017[11], and development is ongoing.[12]

Invasion:SourceEdit

A port of TF2 invasion's source code to Source SDK 2013, led by hogsy. It can be found here, and downloaded here. It is currently unclear whether the project is in continued development, as as of October 2017 the Github page states the last commit was on "Feb 20".

ReferencesEdit

  1. Section based on GabeN wiki
  2. http://half-life.wikia.com/wiki/File:Medic_concept_1.jpg
  3. http://half-life.wikia.com/wiki/File:Armor_concept1.jpg
  4. http://www.tfportal.de/?site=news_details&id=1185
  5. http://www.tfportal.de/?site=news_details&id=1196
  6. The earliest capture of mobyfrancke.com is in 2013.
  7. http://mobyfrancke.com/
  8. http://www.chuckejones.com/valve.html
  9. http://www.teamgaben.com/gaben/index.php?title=Team_Fortress_2_%28GabeN%29&action=history
  10. http://lucapmspace.blogfree.net/?t=2071855
  11. http://team-fortress-2-alpha.webnode.com/l/team-fortress-2-alpha-main-download/
  12. http://team-fortress-2-alpha.webnode.com

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