Netherworld
shoot'em up game for Commodore 64, 1988

------------------------------------------------------------------------------
In this game you are trapped in Netherworld. With your spaceship you have to
make your way through different levels with a hostile environment. Under a
time limit you have to collect diamonds to get to the next level. The game is
filled with dragons, moving mines, acid spitting creatures and lots more.
Your space ship is able to shoot, furthermore you can collect several
power-ups, such as sandglasses to ease the time limit, shield restore or
items that give you invulnerability.
------------------------------------------------------------------------------
Some useful keyboard shortcuts
------------------------------------------------------------------------------
[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)