Differences
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There are no space mines
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There are no force field generators |
The player cannot select different levels yet
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There is no music |
There are no sounds
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The enemy graphic will change after about 15
seconds. The game will cycle through eight
different enemy types then repeats back to the first.
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There are eight different enemy types instead of
two in the final. The extra enemy types were
probably removed due to space reasons. |
The enemy AI is very incomplete.
Enemies will simply circle around the player in an
'infinity symbol' pattern |
There is no collision detection with
enemies and they cannot be shot. The Mines similarly
cannot be shot.
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The Earth will spin if you leave it on the screen
for a few seconds |
The Earth reappears at the
bottom/side of the screen when scrolling to the
edges. This actually happens in the final version
but is quickly removed, although you can still see it
briefly. |
The player ship has an animation that makes it
look like it is spinning |
The scoreboard at the bottom of the screen is a
static placeholder and does not change.
Interestingly the 3 and 4 in the middle line appear to be
corrupted.
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Pressing the Select button will cause the game to
reset |
Pressing the Reset button will cycle through
different planet graphic patterns (although the maze
layout stays the same), but will eventually crash the
game. The number of times you can do this before the
crash seems to be random.
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There appears to be an extra object, a round
dot. This dot acts like a planet if hit (the player
bounces off) and will sometimes appear in place of some of
the other planets. It is unknown if this was
intended to be a third type of planet or something else
such as a space mine or force field generator. |
The Astro Chase logo is missing |