easmith Posted March 10, 2018 Share Posted March 10, 2018 (edited) 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 AlienAttackDeluxe.bin Edited March 10, 2018 by easmith 3 Quote Link to comment Share on other sites More sharing options...
zilog_z80a Posted March 10, 2018 Share Posted March 10, 2018 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!! Quote Link to comment Share on other sites More sharing options...
easmith Posted March 12, 2018 Author Share Posted March 12, 2018 (edited) 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 ! correct bin attached now AADeluxe.bin Edited March 12, 2018 by easmith 2 Quote Link to comment Share on other sites More sharing options...
TrekMD Posted March 12, 2018 Share Posted March 12, 2018 Cool. The game is already fun. This makes it better. 1 Quote Link to comment Share on other sites More sharing options...
easmith Posted March 12, 2018 Author Share Posted March 12, 2018 (edited) Bug fixed on boss level with multiple cannons option AAD.bin Edited March 12, 2018 by easmith 1 Quote Link to comment Share on other sites More sharing options...
keitaro Posted March 19, 2018 Share Posted March 19, 2018 (edited) 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. Edited March 19, 2018 by keitaro Quote Link to comment Share on other sites More sharing options...
easmith Posted March 19, 2018 Author Share Posted March 19, 2018 (edited) 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 March 19, 2018 by easmith Quote Link to comment Share on other sites More sharing options...
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