About Cosmic Defender
Cosmic Defender 2.1 is a fast-paced, retro-styled vertical arcade shooter (Shmup) set against a cyberpunk sci-fi backdrop. Pilot the powerful Cosmic Defender starship to fend off a galaxy-wide invasion. Battle through multiple levels, destroying formations of diverse enemy types - from Interceptors to Juggernauts - that descend upon you. Clear the enemy ranks to engage and defeat a unique, powerful Boss at the end of each protocol level. Survive all challenges to face the ultimate Final Boss encounter. Earn high scores and track your lifetime statistics as you defend the cosmos.
How to play
Move Ship Move Mouse Cursor Touch Drag on mobile or use Keyboard keys A Left Arrow and D Right Arrow Fire Weapon Hold Mouse Click Hold Touch or Hold SPACEBAR Pause Menu Press Escape or the P key
Can I play Cosmic Defender for free at school?
Yes — every game on ClassFrog is 100% free, no downloads, and loads on Chromebooks. If your school blocks ClassFrog, try the tab cloaker to disguise this site.
