Probe Entertainment was a British video game developer in Croydon, England, United Kingdom. It was founded in 1984 as Probe Software by Fergus McGovern and Vakis Paraskeva, later renamed Probe Entertainment. They were acquired by Acclaim Entertainment, Inc. in October 1995. In 1999, Probe Entertainment became Acclaim Studios London and a year later, changed to Acclaim Studios Cheltenham. Its United States-based parent company, Acclaim, declared bankruptcy in 2004. It was responsible for developing Mortal Kombat and Mortal Kombat II for the Sega Genesis, Extreme-G and Extreme-G 2 for the Nintendo 64, and Primal Rage for the Sega Genesis and Playstation. It was also well known for successful licensed games such as Die Hard Trilogy and Alien Trilogy.