<s>
Mad	B-Application
Professor	I-Application
Mariarti	I-Application
is	O
a	O
puzzle-platform	O
game	O
developed	O
and	O
published	O
by	O
Krisalis	O
Software	O
in	O
1990	B-Application
.	O
</s>
<s>
The	O
Amiga	B-Device
and	O
Archimedes	B-Device
versions	O
combine	O
horizontal	O
scrolling	O
with	O
vertical	O
flip-screen	O
.	O
</s>
<s>
The	O
Atari	B-Device
ST	I-Device
version	O
uses	O
flip-screen	O
in	O
both	O
directions	O
.	O
</s>
<s>
walking	O
floppy	B-Device
disks	I-Device
and	O
joysticks	B-Device
in	O
the	O
Computer	O
Laboratory	O
,	O
round-bottom	O
flasks	O
and	O
molecular	O
models	O
in	O
the	O
Chemical	O
Research	O
Dept	O
,	O
and	O
mutant	O
plants	O
and	O
animals	O
in	O
Biological	O
Observations	O
)	O
.	O
</s>
