Differences
|
|
There are no sounds except for a shooting sound |
The display kernel is glitchy and jumps often |
Little yellow dashes appear on the screen |
There are only four types of enemies (Toroid
Fleet Ships, Mirrors, Black Balls, and Rovers) |
There is no option to change the scrolling speed |
The enemy graphics are very different. The
tanks in particular look like lower case L's for some
reason |
There are no ground targets other than
tanks. Some ground targets can be made to appear
using the Transmit Empty Pages option in some emulators,
but they appear to be unfinished |
The Rovers do not fire
|
There are fewer areas (the final version has
sixteen) |
There are no game options |
The game is one player only |
There are no difficulty levels |
There is no logo on start up |
The scrolling background is different than the
other two versions |
There is no music |