Space Typing Game — asset credits
All assets in this folder are CC0 1.0 Universal (public domain dedication) — free for commercial use, credit not required.
License text: https://creativecommons.org/publicdomain/zero/1.0/
Licenses were checked on each source page (and the license file inside each download) on 2026-10-05.

ART — all by Kenney (Kenney Vleugels, www.kenney.nl)
sprites.png  An atlas re-packed from single PNG files of two packs. Pixels were not redrawn.
             The mothership ("boss" in the atlas) is a combination of three Extension ships
             (spaceShips_005 at 2x, two spaceShips_001 and spaceShips_004) layered together.
             - "Space Shooter Redux" (meteors, enemy ships, UFOs, player ships, lasers, shield, power-ups, fire, star)
               https://opengameart.org/content/space-shooter-redux  (also on kenney.nl as "Space Shooter Remastered":
               https://kenney.nl/assets/space-shooter-remastered)
             - "Space Shooter Extension" (spaceShips_001/004/005/009, spaceMissiles_004, spaceEffects_016)
               https://kenney.nl/assets/space-shooter-extension
ship.png     playerShip1_blue with fire08–10 from "Space Shooter Redux", arranged as a 3-frame strip
bg.png       Backgrounds/darkPurple.png from "Space Shooter Redux"

The far stars, flying near stars, nebula, distant planet, cockpit frame, dashboard, glass cracks and laser beams
are drawn by the game code.

SOUNDS (converted from OGG to MP3, some trimmed, loudness-normalized)
audio/laser.mp3     laserSmall_000          "Sci-Fi Sounds" by Kenney  https://kenney.nl/assets/sci-fi-sounds
audio/beam.mp3      laserLarge_000          same pack
audio/boom.mp3      explosionCrunch_000     same pack
audio/bigboom.mp3   lowFrequency_explosion_000  same pack
audio/impact.mp3    impactMetal_002         same pack
audio/pickup.mp3    forceField_000          same pack
audio/whoosh.mp3    thrusterFire_000 (first 0.8 s, faded)    same pack
audio/rumble.mp3    spaceEngineLarge_000 (first 2.6 s, faded) same pack
audio/hurt.mp3      sfx_shieldDown          "Space Shooter Redux" bonus sounds by Kenney (link above)
audio/shieldup.mp3  sfx_shieldUp            same pack
audio/alarm.mp3     sfx_twoTone             same pack
audio/warp.mp3      sfx_zap                 same pack
audio/lose.mp3      sfx_lose                same pack

MUSIC (converted from WAV to mono MP3)
audio/music.mp3     "Level 1" from "5 Chiptunes (Action)" by Juhani Junkala
audio/boss.mp3      "Level 3" from the same pack
                    https://opengameart.org/content/5-chiptunes-action

The heartbeat, mothership klaxon, key clicks and miss sound are synthesized in the browser (Web Audio). The "Engage!" and
other voice lines use the device's own speech voice (Web Speech API).