382 games Sega Master System
A very, very mediocre football simulator, oversaturated with a variety of options, after installing which the desire to start the game gradually disappears.
BIOS for modern SMS, with a flashed game Alex Kidd in Miracle World. Interestingly, the game is not the same that came out on cartridges. The balls that you take at the end of the levels have been replaced with hamburgers, and the controls have been changed.
BIOS for modern SMS, with a flashed Hang On game. To play the standard game about the Snail, you need to hold down both buttons and the up arrow while turning on the console.
This is a 128K ROM with frame 2 mapping. It uses about 40K, and the rest is not.