Halfway and End Monsters

SNAIL: Shoot at eye, avoid mines
ALIEN: Shoot eyes at either side at top. Scroll back and shoot centre eye
SPIDER: Destroy as much web as possible. Fly down to face spider and
    fire continuously.
CRAYFISH: Travels in figure eight. Stay below and fire in its face.
SNAKE: Attacks from left of screen.
DRAGON: Shoot the side head’s first, then tail, then main head.
HEAD: Shoot both eyes, avoiding laser fire and extending tongue. Shoot
    at head when tongue goes in.
TANK: Use missles
GRAND SPACESHIP: Shoot all cannons until totally destroyed.
ITEM             COST   COMMENTS
——————————————————-
Advice           200   Only useful after Level 1    
Speedup           500   Essential to survival      
Half Health         500   Restores half your energy    
Autofire           500   Needed if joystick has none  
Nashwan           600   10 Seconds of sheer heaven  
Full Health       1000   Restores full energy      
Rear Shot         1000   Very effective on later levels
Small Mine         1000   Useless                
Side Shot         1000   Cannot be used with Rear Shot
Electroball       1200   Too sensitive to control    
Power-Up         2000   Double bullet size        
Large Mine         3000   Useless                
Double Shot       3000   Recommended on later levels  
Cannon           4000   Effective when using two    
Dive             4000   Waste of Money, but fun    
Missles           4000   Weak to start with        
Laser           4000   Awesome when using two or more
Drone           4500   Two slow              
Flamer           5000   Extremely limited range    
Bomb             5500   Limited range but powerful  
Extra Life         6000   You’ll need lots of these!   
Homers           6000   Four slow but powerful missles
Protection         6000   Doesn’t do much          
Bitmap Shades       6000   Darkens Screen - useless