Top-Down Sci-fi Shooter/Defense Pack Creator: Tatermand License: Creative Commons CC0 1.0 Universal Source: https://opengameart.org/content/top-down-sci-fi-shooterdefense-pack License evidence: https://opengameart.org/content/top-down-sci-fi-shooterdefense-pack License checked: 2026-10-14 The bundled originals and source/license manifest are available in the download. CC0 deed: https://creativecommons.org/publicdomain/zero/1.0/