* Rescaled indices of economic, social and cultural status (ESCS) for use with the PISA 2012, 2015 and 2018 datasets, available in CSV only.
The result was a technological marvel for its time. Gone were the flat, maze-like corridors of the original. In their place stood towering gothic architecture, detailed character models, and dynamic lighting that brought the nightmare of the Third Reich to life. The plot was classic Wolfenstein pulp fiction: Players reprise the role of Army Ranger William "B.J." Blazkowicz. Captured by the Nazis and imprisoned in Castle Wolfenstein, Blazkowicz must escape and uncover the sinister "Operation Resurrection." This plot served as a vehicle to introduce supernatural elements, pitting players against undead knights, grotesque genetic experiments, and the leather-clad assassin, Marianna Blavatsky.
Razor1911 is one of the oldest and most respected cracking groups in the world, dating back to the Commodore 64 era (1985) and later dominating the IBM PC scene. Their specialty was creating "cracks"—small programs that modified the executable code of a game to bypass its copy protection (CD checks, serial numbers, or DRM like SafeDisc and SecuROM). Return To Castle Wolfenstein-Razor1911
In the pantheon of first-person shooters, few names command as much respect as Wolfenstein . While the original 1992 Wolfenstein 3D is credited with inventing the genre, it was the 2001 reboot, Return to Castle Wolfenstein (RTCW), that refined it into a cinematic experience. For many PC gamers coming of age in the early 2000s, the game is inextricably linked to a specific string of text found in installer instructions and file names: Razor1911 . The result was a technological marvel for its time
When cracked Return to Castle Wolfenstein , they performed a service that was in high demand: they liberated the game from its physical media. The "Razor1911" release was an ISO image (a digital copy of the disc) bundled with a crack that allowed users to install the game on their hard drives and play without needing the CD. For many, this The plot was classic Wolfenstein pulp fiction: Players
The keyword represents more than just a pirated copy of a game; it is a digital artifact of a specific era in computing history. It signifies the intersection of a landmark gaming title and one of the most notorious software cracking groups in history.
The gameplay was tight, visceral, and varied. It balanced stealth sections—where throwing knives and silence were key—with run-and-gun battles against elite paratroopers and the dreaded "Protosoldaten." The artificial intelligence was notably advanced for the time; enemies would duck, run for cover, and kick grenades back at the player. While the campaign was critically acclaimed, it was the multiplayer component that cemented RTCW’s legacy. It introduced class-based team warfare that would later evolve into the Enemy Territory franchise and influence games like Overwatch and Battlefield . With four distinct classes—Soldier, Engineer, Medic, and Lieutenant—players were forced to work together. The "Limbo" menu, the "Fire in the hole!" voice lines, and the objective-based maps like "Beach Invasion" (a D-Day reimagining) became staples of competitive gaming. The Group: Who is Razor1911? To understand the "Razor1911" suffix, one must understand the subculture of the "Warez" scene.
* see PISA2018 Technical Report Annex K for details.
** Rescaled indices of economic, social and cultural status (ESCS) for use with the PISA 2000, 2003, 2006, 2009 and 2012 datasets
For PISA 2012, Data are available in TXT format. SAS and SPSS Control Files are available to recreate the dataset in selected format.
For PISA 2009, Data are available in TXT format. SAS and SPSS Control Files are available to recreate the dataset in selected format.
For PISA 2009 ERA, Data are available in TXT format. SAS and SPSS Control Files are available to recreate the dataset in selected format.
Navigation Indices file (SPSS format only)
For PISA 2006, Data are available in TXT format. SAS and SPSS Control Files are available to recreate the dataset in selected format.
Data file with abilities on the Computer-Based Assessment of Science (CBAS) for students from three countries
For PISA 2003, Data are available in TXT format. SAS and SPSS Control Files are available to recreate the dataset in selected format.
For PISA 2000, Data are available in TXT format. SAS and SPSS Control Files are available to recreate the dataset in selected format.
ESCS SPSS and SAS data Files for Economic, social and cultural status (ESCS) data files.