Tekken is a one-on-one fighting arcade game that was released by Namco on December 9, 1994; it was the first game that ran on the company’s then-new System 11 hardware (a PSX CPU running at 16.9344 MHz for the primary microprocessor, with a Mitsubishi M37710 sub-microprocessor running at 16.384 MHz and a C352 custom sound chip at the same frequency)