Destroy all aliens in each wave to advance. Complete 10 levels to win!
If aliens reach the bottom of the screen, it's instant game over - even with lives remaining!
Collect power-ups dropped by defeated aliens to gain advantages.
EASY: Power-ups fall straight down. No hazards.
MEDIUM: Power-ups drift unpredictably left/right.
HARD: Drifting power-ups + falling debris hazards!
• Shield absorbs ONE hit - from bullets OR debris!
• Rapid Fire stacks! Grab multiple for insane fire rate.
• Bomb clears ALL enemies - save it for emergencies!
• Focus on edge aliens first - they're more dangerous.
• After dying, you get brief invincibility - use it wisely!
• Base alien: 10-30 points (top rows worth more)
• Level bonus: 100 × level on completion
• Score 5000+ to enter your initials on the leaderboard!
• Unlock new ship colors & worlds in the SHOP!