Prototype Differences
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Start-Up Screen says Copyright 1982 |
You cannot choose your starting tunnel or zone |
The Fire Mode options are Normal and Repeat Fire
instead of Single and Repeat Fire |
Many of the colors are different. |
There is no music except when you touch an energy
tank |
The music when you touch an energy tank is different. |
There is no warning sound when the energy tank
ends. |
The only sounds are: Ship Fire, Ship Destruction,
and the Fuel Pick-up Tune. |
The Stripe Zone has more fuel tanks, and the "Mashers"
only appear if you take the top path. |
The death sequence for the final boss is much shorter
(with no sound). |
The game is harder. The ships fire more often and
there are more of them. The game also moves faster. |
A few seconds after the game over screen appears
there is a continue screen. Pushing Pause will continue the
game (instead of pushing '0'). |