Bigfoot © 1983 Milton Bradley Co.
GAME ID: PHM 3151
This game can be used with Milton Bradley's MBX System (an add-on for the TI-99/4A). The MBX allowed for the use of Voice Recognition, improved Speech Synthesis, a 360° Analog Joystick, and an Action-Input Keypad for video games designed for it.
Retail price: $49.95
The development name for this game was Yeti.