Gyruss sprite credits
=====================

ship0..15.png, life.png, expl0..7.png
  Derived from the "Lunar Lander" asset pack by Matt Walkden
  (mattwalkden.itch.io / mattwalkden.com), released into the Public Domain
  under the Creative Commons CC0 dedication. No attribution required; credited
  here with thanks. Ship sprite pre-rotated into 16 frames (+ an upright life
  icon); explosion sliced from the 8-frame sheet.

knobuss-logo.png (menu title screen)
  "KNOBUSS by Zan" - made by the project owner (Zan).

core.png (black-hole portal), enemy0..3.png (glowing orbs)
  Cropped/scaled from a "celestial objects" pixel-art set. Used with the
  project owner's confirmation that its license permits redistribution.
  TODO(owner): fill in the exact source/author + license for this set.

bullet.png
  Original to this project.