CAPTCHAs have been used since the early days of the internet to tell humans from bots. The test is deployed at the start page of a website and involves typing out squiggly letters – hard to read with poor rendering – into a box.
Other forms require users to select a series of same images from a bunch of them rendered in a grid of squares, or simply ticking a box to prove that "you are not a robot."
The CAPTCHA -- Completely Automated Public Turing Test to tell Computers and Humans Apart -- standard has remained more or less remained the same since the 1990s. However, website builder Vercel has now launched a fun version of the test involving a Doom-style shooting and killing of targets to prove that you are indeed a human.
The CAPTCHA asks users to play DOOM – one of the first-ever first person shooting games — and kill at least three monsters. Users can use the arrow keys to move the player and press space bar to shoot.
Social news forum Hacker News was awash with comments on the latest CAPTCHA, with many claiming to find the test too tough to crack, while others offering help. It took this user six attempts to crack the test.
Deploying Doom as CAPTCHA is hardly novel. A similar attempt just for kicks was launched in 2021.
Image Source: Vercel
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