The player must shoot UFO's who will attempt to kidnap astronauts that appear on the right side of the screen. If the player lets all the astronauts be kidnapped, the game is over.
Among the voices the player hears, are phrases like "Help me, help me", "Very good!", "We'll be back" and "Lucky".
The Japanese version of the game features Japanese speech, such as "Tasukete!" instead of "Help Me!"
- This game was the first to feature voice synthesis, although it was of very low quality.
- Stratovox was also licensed to Taito for manufacture and distribution.
In the Competitive Arena
According to Twin Galaxies, John Brissie, of Milwaukee, Wisconsin, USA, scored a world record 140,900 points on Stratovox on April 16, 2008.