IO - Into Oblivion
shoot'em up game for Commodore 64, 1988

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Controls
Select one player game: move joystick left
Select two player game: move joystick right
Start game: press FIRE on joystick
Pause game: press RUN/STOP
Resume game: move joystick in any direction or press FIRE
Abort game : press Q
Features
There are green pick-ups placed at
various intervals. If you run into them
they will act as a smart-bomb and
destroy everything on the screen. If you
shoot them four times they change into
weapons which can be collected. These
weapons increase your firepower.
If you have collected two weapons, the
pickup will become an orb instead of
a weapon. As well as increasing your
fire-power, these orbs are protective.
You may carry up to two orbs at a time,
and any further orbs that you collect
will be worth bonus points. Each time
you are hit you will lose an orb. If you
are hit when you are not carrying any
orbs, you will die. Extra lives will be
given when you reach 20,000 points and
then every 50,000 after that.
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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)