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Mother Ship / Boss levels added


easmith
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I received a bit more feedback about Alien Attack. Needed more depth for replayability / fun .

 

I added a mother ship in the background , and now there is a mothership boss battles at levels 6, 12, and 18 (final) .

 

Also some other features.

 

I hope this has added the needed elements to make it truly a good game. The using the shield (joy stick down) is useful for making it to higher levels.

I have used all but 11 bytes of the 4K ROM !

 

Video shows boss battle

 

post-63151-0-01252500-1520701354_thumb.png

 

 

 

 

 

 

 

AlienAttackDeluxe.bin

Edited by easmith
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I received a bit more feedback about Alien Attack. Needed more depth for replayability / fun .

 

I added a mother ship in the background , and now there is a mothership boss battles at levels 6, 12, and 18 (final) .

 

Also some other features.

 

I hope this has added the needed elements to make it truly a good game. The using the shield (joy stick down) is useful for making it to higher levels.

I have used all but 11 bytes of the 4K ROM !

 

Video shows boss battle

 

 

 

 

 

 

 

 

 

 

 

wow looks good!! :)

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Alright, I'm sure everyone is sick of me , but this last feature has to be the key to making this better!

 

I added a galaga like multiple ship option for easier blasting.

P0 difficulty toggles between single or multiple canon options. Canon is lost with each hit.

 

Think it makes it more fun and a bit easier. Give this one a chance ! ;-)

 

post-63151-0-44374100-1520814026_thumb.png

 

correct bin attached now

AADeluxe.bin

Edited by easmith
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Hi! I like new features!

However I have screen-rolling with earlies PAL versions on real hardware. (the ntsc posted here works fine, except for colors obviously)

Another point is when game over, background changes color and I can't see final score.

 

post-4582-0-25289700-1521419651_thumb.jpg

Edited by keitaro
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Thanks for the heads up . The game has changed considerably since I posted the PAL version. I have not attempted to convert the latest version but will be more careful if I ever do . Must have messed up the scanline count.

 

As far as the score goes, the only thing shown is the wave #. The only thing that matters is whether the game is won or lost . If it is won there is a special screen. If you don't complete wave 19 ( 3rd mothership) then the screen goes white and you can't see the wave you ended on since the score is white. I never thought of that being something that would need to remain, unless there was a competition or something. I could change the game over color I suppose........

Edited by easmith
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