Level 8 Walkthrough: by Mystery Man

To get into Level 8, burn the bush you see all by itself.

From the starting room, go East, grab the key, then go West twice.  Kill the
Manhandla to open the Western, then go through it.  Kill all the enemies, then
push the stone and go down the stairs to get the Magic Book!  Come back up the
stairs, then go East twice.  You should be back at the Entrance.  Go North. 
You can kill the Manhandla for five rupies.  Either way bomb North and go through.
Kill all the Blue Darknuts to open the Northern and Western sealed doors and to
get a key.  However, go East.  Here you will need to kill the Pols Voice to get
the Compass, then go back West.  Go West again, kill the monsters to get a key,
then go West again.  Kill the Darknuts and get another key, then go East twice.
Go North, ignore the enemies, and go through the Northern, locked door.  Bomb North
and go through, ignoring the Darknuts, for now.  Kill the Manhandla to get the Map,
then bomb to the West, and go through.  Grab the rupies, then go North.  Kill the
Pols Voice, grab the bombs, then bomb and go East.  You will be in a room with a
Blue Ghoma.  Treat it the same as the other, except this time you must shoot it thrice.
Killing it will open the doors.  You can go North for more bombs, however, make your
way East.  Kill the enemies, then push the left-hand stone and go down the staircase.
You will find the Magic Key!  Go back up the stairs, then go, West, South, South. 
Now is when you need to kill all the Blue Darknuts.  Go through the now open, Eastern
door.  Ignore the enemies and go down the stairs to emerge, bomb North to fight the
boss, Gleeok.

Go on to Level 9!
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--To reach Level 9 from Level 8, go:  North, West, West, North, North, North,
West, West, West, West, North, West, West.

--To reach Level 9 from the origin, go:  East, North, North, North, North, North,
West, North, North, West, West.