Sega Master System / Mark III / Game Gear
SMS Power! 17th Anniversary Competitions are coming! Deadline 27th March - 2 weeks and 10 hours from now
On the title screen, press to go to an options screen offering a level select, item selection, and the option to have infinite lives or invincibility. Use to decrement and to increment.
See the main page for Ghouls'n Ghosts (대마계촌)