is a simple game where you have to bounce around a ten-column
screen trying to squash rotating heads. This is done
amidst a scene of blocks, platforms and water arranged
differently on the 64 screens.
has to crush eight heads on each screen and he can do
this in a variety of ways. The straightforward method
is to jump onto a head, but there are lots of techniques
for doing this and you can also crush the heads using
the blocks littered around the place.
can push or pull the blocks by pressing the fire button
and moving in the desired direction, but he must beware
since the heads can also squish him and a careless push
can bring a block down on his head.
Jack visible here because he just got murdered.
The oval shaped things are the heads you're
supposed to squash.
are points for each head you destroy, and also several
bonuses are available. Every time you move a block you
score points, and if you splurge the heads fast enough
there is a time bonus. On some screens there is also
a bonus for touching all the platforms.
is curiously allergic to water, which kills him, but
this can be overcome by pushing blocks into it, which
float and can be walked on. Jack can jump up to three
blocks high but the heads can go higher and so Jack
must time his leaps carefully to avoid being trapped.
jump by pushing the joystick up and gravity brings you
down, naturally. Moving left or right makes you shuffle
or hop one column, although the reaction isn't always
immediate. You can start at any of the first nine levels,
but once you've past ten you'll have to crush all eight
heads in one go instead of being able to get them a
few at a time.