Thunder Force II MD © 1989 Sega.
Runs on the "Mega-Tech System" hardware.
Cartridge ID: 610-0239-11
Released in June 1989.
'MD' stands for 'Mega Drive'. This is because this version is a port of the original X68000 release.
* Options Menu : At the title screen, press and hold A+B+C and then press Start.
Sega Saturn (1996, "ThunderForce Gold Pack Vol. 1")