<s>
Tir	B-Application
Na	I-Application
Nog	I-Application
is	O
a	O
video	O
game	O
that	O
was	O
published	O
in	O
1984	O
by	O
Gargoyle	B-Application
Games	I-Application
for	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
and	O
Amstrad	B-Device
CPC	I-Device
.	O
</s>
<s>
Tir	B-Application
Na	I-Application
Nog	I-Application
was	O
positively	O
reviewed	O
by	O
critics	O
.	O
</s>
<s>
A	O
prequel	O
-	O
Dun	B-Application
Darach	I-Application
-	O
was	O
published	O
a	O
year	O
later	O
.	O
</s>
<s>
Gameplay	O
takes	O
the	O
form	O
of	O
an	O
arcade-adventure	O
with	O
the	O
player	O
controlling	O
the	O
hero	O
as	O
he	O
wanders	O
the	O
land	O
of	O
Tir	B-Application
Na	I-Application
Nog	I-Application
collecting	O
objects	O
,	O
solving	O
puzzles	O
and	O
trying	O
to	O
keep	O
out	O
of	O
the	O
way	O
of	O
the	O
sídhe	O
who	O
also	O
wander	O
the	O
land	O
.	O
</s>
<s>
The	O
Land	O
of	O
Tir	B-Application
Na	I-Application
Nog	I-Application
is	O
very	O
large	O
and	O
consists	O
of	O
plains	O
,	O
caverns	O
and	O
forests	O
.	O
</s>
<s>
Psygnosis	O
planned	O
to	O
release	O
a	O
remake	O
of	O
the	O
game	O
for	O
IBM	O
PC	O
compatibles	O
,	O
helmed	O
by	O
the	O
game	O
's	O
original	O
creators	O
Greg	B-Application
Follis	I-Application
and	O
Roy	B-Application
Carter	I-Application
,	O
in	O
June	O
1995	O
.	O
</s>
