SWOS space invaders mode

hi everyone;
yeah you know we love too atari games. this is space invaders. i tried to change swos sprites maybe you wanna try it
ps:you can see some pixel error while you can play why? i couldnt find solution maybe we be able to improve together that if you would too
www.mediafire.com/file/h8o4lmx50o0trtf/s...ce_invaders.rar/file

www.mediafire.com/file/h8o4lmx50o0trtf/s...ce_invaders.rar/file