Defend your space station against waves of alien invaders in Space Defense Idle, a casual clicker game where strategy meets automation. Upgrade your lasers, shields, and drones to fend off increasingly tough enemies, balancing manual clicks with passive income to optimize your defenses. Earn credits to unlock new tech, experiment with different loadouts, and climb the leaderboard for the ultimate high score. With vibrant visuals, satisfying sound effects, and endless replayability, every session feels fresh and rewarding whether you're a casual player or a seasoned strategist.
Race against recordings of other players! Their ghost overlays as a transparent competitor on the game.
Create your own clan and invite friends to play together!
Cosmetics only — never pay-to-win! Balance: 0 🪙
Submit your HTML5 game — get listed & earn coins per play!