VIP Deduce © 1976 RCA Corp.
A Mastermind variant. The code is four digits long and after each guess by the player the computer will tell the amount of digits in the correct position and the amount of digits in the code, but not in the correct position. The player has 15 tries to find the code.
It requires the CHIP-8 interpreter.
Published as a type-in program in the RCA COSMAC VIP Instruction Manual.