<s>
Roller	B-Device
Coaster	I-Device
is	O
a	O
platform	O
game	O
which	O
contains	O
some	O
strategy	O
and	O
puzzle	O
elements	O
.	O
</s>
<s>
Roller	B-Device
Coaster	I-Device
was	O
released	O
in	O
1985	B-Application
by	O
British	O
video	O
game	O
developer	O
Elite	O
Systems	O
,	O
to	O
overwhelmingly	O
positive	O
reviews	O
.	O
</s>
<s>
It	O
was	O
,	O
for	O
a	O
time	O
,	O
one	O
of	O
the	O
most	O
popular	O
games	O
for	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
.	O
</s>
<s>
A	O
1985	B-Application
review	O
in	O
CRASH	O
gave	O
Roller	B-Device
Coaster	I-Device
a	O
94%	O
.	O
</s>
<s>
Four	O
years	O
later	O
,	O
in	O
a	O
review	O
of	O
the	O
budget	O
re-release	O
of	O
Roller	B-Device
Coaster	I-Device
,	O
CRASH	O
magazine	O
wrote	O
,	O
"	O
The	O
emphasis	O
in	O
Roller	B-Device
Coaster	I-Device
is	O
to	O
have	O
vast	O
amounts	O
of	O
fun	O
,	O
and	O
,	O
boy	O
,	O
do	O
you	O
!	O
</s>
<s>
Do	O
n't	O
hesitate	O
to	O
buy	O
Roller	B-Device
Coaster	I-Device
!	O
"	O
</s>
<s>
Roller	B-Device
Coaster	I-Device
was	O
reworked	O
into	O
the	O
1991	O
Game	B-Device
Boy	I-Device
title	O
Dragon	B-Application
's	I-Application
Lair	I-Application
:	O
The	O
Legend	O
,	O
with	O
the	O
game	O
's	O
plot	O
and	O
graphics	O
amended	O
in	O
order	O
to	O
closer	O
resemble	O
those	O
of	O
the	O
original	O
Dragon	B-Application
's	I-Application
Lair	I-Application
coin-op	O
.	O
</s>
<s>
As	O
less	O
of	O
the	O
playing	O
area	O
was	O
visible	O
in	O
the	O
Game	B-Device
Boy	I-Device
port	O
than	O
in	O
the	O
Spectrum	O
version	O
,	O
the	O
display	O
was	O
effectively	O
a	O
window	O
on	O
each	O
of	O
the	O
original	O
version	O
's	O
screens	O
,	O
scrolling	O
within	O
each	O
one	O
and	O
flicking	O
to	O
the	O
next	O
when	O
the	O
edge	O
of	O
the	O
screen	O
was	O
reached	O
.	O
</s>
