The flame Portals as well as a newer, sleeker portal gun were also developed later during this era. Some antiquated assets such as the analog clock and Combine elevator initially remained, however. The doors instead of being brush based took on a new Star-Trek-like design. In early 2006, the transition was made from the Nova Prospekt design to a cleaner, more sci-fi look. The escape map is the only map available for download from this era and any other publicly available 2005 campaign era maps are remakes using assets from this map.Įarly Testchamber 00 screenshot with Star Trek inspired styled door frame

In the final escape map, the player would have to search for car batteries to power a locked door while avoiding hazards such as turrets and fires. Instead of facing GLaDOS, during the escape sequence the player would instead have to manually escape the facility. Most notably, instead of being guided through the facility by GLaDOS, the player was to navigate the facility alone and eventually escape. The 2005 iteration of Portal largely took design cues from Half-Life 2, especially Nova Prospekt. One of the earliest known iterations of Testchamber 18 The main differences between build iterations are the art styles themselves.

The actual puzzles themselves were finalized early on during development. In June 2016, the assets were leaked to Facepunch which resulted in the indefinite suspension of Project-Beta's development.Ī finalized version of Portal Project-Beta was released in May 2017, though the mod does not contain any new content and further development has ceased.

Their intention was to make a total conversion mod for Portal that allowed players to dynamically switch between development eras and this mod was known as Portal Project-Beta. A member of the Valve Cut Content community acquired a hard drive from Valve containing a development archive of Portal dated December 2006 back in early 2015 that contained materials, models, particles, and sounds from as early as 2005.

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