Action Fighter is a racing game for the Master System, and is a single player experience. It was published by Sega.
Action Fighter is a commonly available game for the Master System. It shouldn't be too difficult to find this game for purchase. In good condition, the game is worth about $3.00. Action Fighter was released in 1986.
This code will start you off as a car, give you all the letters, and give you all the power-ups: DOKI PEN
Enter this code: SPECIAL
This code will also give you an additonal 3 lives when the timer reaches zero.
Enter your name as: GP_WORLD
When the timer runs out, you will be given three extra lives.