Navigate your UFO through hazardous environments with dangerous enemies and beat huge bosses! 

Features:
- Levels full of non-stop action, including highly hazardous environments: Underwater, Volcano, Space, Dark Cave, Railroad
- Huge bosses that pack a punch. Boss rush extra mode.
- Optional scanline screen FX, as seen in trailer.
25 weapons (two same weapons stack up to higher power).
- Dozens of new weapons, developed via technology tree between the levels.