Uridium
space shoot'em up game for Commodore 64, 1986

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Use Control Port 2.
The solar system is under attack! Enemy Super-Dreadnoughts have been
placed in orbit around each of the fifteen planets in this galactic
sector. They are draining mineral resources from the planetary cores
for use in their interstellar power units. Each Super-Dreadnought
seeks out a different metal for its metal convertor.
Your Manta class Space Fighter will be transported to each planet in
turn and it is your task to destroy each Dreadnought. First you must
attack the defensive screen of enemy fighters, then you must
neutralise the majority of surface defences before you land on the
Super-Dreadnought's master runway. Once on board you must pull as
many fuel rods as possible from the metal convertors before you take
off for a final strafing run as the Dreadnought vapourises into the
ether.
Loading the Tape Plug your joystick into either port and press shift
and run/stop together. Make sure the shift lock key is not depressed.
Insert the rewound tape into your cassette player and press play. The
game will turbo-load in about 3 minutes. Press fire to begin.
Play Sequence
Your fighter reverses out of the interplanetary transporter and
deploys on a low-level strafing run. You must avoid meteor shields
and communications aerials on the Dreadnought's surface. The fighter
defences deploy in waves. A bonus is awarded after landing if all
ships in a wave are destroyed. Attack surface features to score bonus
points but beware of the homing mines which materialise over flashing
generator ports.
Destroying a Super-Dreadnought
When the "Land Now" message appears move as soon as possible to the
right hand end of the Super-Dreadnought and fly flat over the end of
the master runway from left to right. You will land and pass into the
fuel rod chamber. Here you must select your bonus or "Quit" by
pressing fire at the right moment. You must quit the chamber before
the countdown at the top of the screen reaches zero. On take off
reverse and strafe any remaining surface targets as the Super-
Dreadnought vapourises.
Your Manta Class Fighter
Joystick up/down sets the position above the Super-Dreadnought,
joystick left/right controls acceleration and deceleration. If your
velocity falls too low your fighter performs a half-loop followed by a
half-roll so as to face in the opposite direction. This manoeuvre also
temporarily increases your height above the surface and may be used to
avoid incoming missiles and mines. Your Manta performs a 90 degree
roll if you press and hold fire whilst moving the joystick up or down.
This enables you to manoeuvre through restricted spaces.
Score Table
Small explodable surface feature 10
Large explodable surface feature 25
Enemy ship on runway 100
Enemy fighter 100-1000
Wave annhilation bonus 100 per wave
A bonus Manta is awarded every 10,000 points
Game Options
During the titles sequence you may select:
f1-One player,one joystick, either port
f2-Two players sharing one joystick, either port
f3-Two players, two joysticks
f5-Increase music volume
f6-Decrease music volume
f7-Colour mode
f8-Monochrome mode
During play:
Run/stop-pause game, press fire or run/stop to restart
After run/stop press clr/home to abandon game
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Some useful keyboard shortcuts
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[PAUSE] - stop/continue game
[F9] - quick load game state
[F12] - quick save game state (still stored after leaving the site)
[F11] - toggle fullscreen mode
[ScrollLock] - quick switch control ports
[PageDown] - make a screenshot (320x200)