Not gonna create any multiple games cartridges (50 in 1/100 in 1) ...only 2 in 1 Get GQ-4X + ADP-054 + -007 http://www.mcumall.com/comersus/stor...idProduct=4619
Cartridge shells https://www.mortoffgames.com/sega-ge...rtridge-shells
Non-SRAM PCB http://www.second-dimension.com/shop/product/15 SRAM PCB http://www.second-dimension.com/shop/product/14
[GUIDE] Make a Reprogrammable Genesis Cart https://www.epforums.org/showthread....e-Genesis-Cart 2 in 1 PCB https://www.mortoffgames.com/sega-ge...lti-game-board
Now you can do it easy way it will cost more... simple stick programmer into your PC stick PCB into programmer and Boom! you can flash any game ROM to PCB .. Max rom size 4Mbyte
FlashKit programmer https://krikzz.com/store/home/38-fla...rammer-md.html
FlashKit cart https://krikzz.com/store/home/39-flashkit-cart-md.html
NES/SNES/Gen Games with Battery Back-up/Save feature https://forum.digitpress.com/forum/s...=1#post1614576
Id start on these repros http://www.mediafire.com/?5gm45wyxr3xvv#usfdr8ieb8xc4