Posted November 24, 2018 by geekgoss
For half legal licencing reason and half thanking reason here are all the creator of the new assets :
BACKGROUND MUSIC https://opengameart.org/users/maxstack
BOSS MUSIC https://opengameart.org/users/nene
BACKGROUND IMAGE https://opengameart.org/users/rawdanitsu
FIRST BOSS SHIP https://opengameart.org/users/esbxp
3RD BOSS SHIP http://millionthvector.blogspot.com/
OTHER BOSS SHIP https://opengameart.org/users/skorpio
OTHERs SHIP http://creativecommons.org/publicdomain/zero/1.0/
ALL the assets came from https://opengameart.org, thanks to them.