Play as Joe, an astronaut navigating with a jetpack and lasers. Dodge asteroids and enemy ships. Blast through obstacles and defeat alien bosses. Collect power-ups to enhance abilities and survive longer.
Fight through endless waves of enemies to gain experience and improve skills. Customize character abilities and gear. Survive waves of combat with increasing difficulty. Restart from the beginning if defeated.
Defend a against incoming enemies by launching projectiles. Earn experience to upgrade units or add new defenses. Progress through increasingly challenging waves to strengthen your kingdom.