Solstice Code (NES)

In the NES game Solstice, go to the inventory screen and press -

B, Start, Start, B, B, Start, Start, B, B Start, Start, Start, B, Start, B,B,B, Start , Start, Start, B, Start B, Start, Start, B, Start, Start, B,B Start, B, Start.

If this has been done correctly the screen will flash.

Now press select at any time to add lives and potions.