Reverse Turing test if the subject is or is not human. As of 2004, such procedures, called CAPTCHAs, are used in some anti-spam systems to prevent automated bulk use of communications systems. The use of captchas is controversial. Circumvention methods exist that reduce their effectiveness. Also, many implementations of captchas (particularly ones desired to counter circumvention) are inaccessible to humans with disabilities, and/or are difficult for humans to pass. Note that "CAPTCHA" is an acronym for "Completely Automated Public Turing test to tell Computers and Humans Apart" so that the original designers of the test regard the test as a Turing test to
The Turing Test (video game) to kill Sarah and Ava, ensuring that the organism will never leave Europa, or do nothing, eventually leading to the end of T.O.M. and allowing Ava and Sarah to escape. In 2015, UK-based studios Deco Digital and Bevel Studios released their first-person puzzle game, "". Towards the end of the year, the two studios merged to form Bulkhead Interactive, the developer of "The Turing Test". The game was developed using Unreal Engine 4. "The Turing Test" was in a pre-production phase for six months, where the designers created puzzles and defined the gameplay curve. The game was in full production