Super Maruo is notable for being the first commercially-sold unlicensed Famicom game. Despite the title, it has nothing to do with Mario - instead, it's the touching story of a man on a quest to reach the woman he loves while being chased by a dog.
Did we mention it's a porn game?
Unused Graphics#
An unused set of eyes and mouth for the woman.
Several chunks of unused woman graphics.
This unused variant of a pointy thing is repeated several times in the ROM.
Unused Text#
Various strings of text can be found in the ROM, mostly related to development and math functions.
ABCDEFGHIJ
SOUND SAMPLE
SD NO
PAUSE
Not Enough Memory
ARCTAN
unsigned
divide by zero
REAL
long integer
math overflow
SIN or COS
argument
range
EXP
SQRT
of
LN
TRUNC/ROUND
TAN
ARCSIN or ARCCOS
> 1.0
negative
to
power
math underflow
stack
no room in
is invalid
allocator interrupted
heap
non-positive