A fast side-scrolling shoot'em up in which the planet navigates a spacecraft through tunnels while dodging flak and attacking ground targets. The back of the box says:
"Imagine the fastest "Scramble" type game you've evre seen. Multiply its speed by a factor of 3, add more scenarios, ans think of the most exciting graphics you've seen - that's Star Avenger with its 9 scenarios and 5 skill levels. Score 10,000 points and get a bonus spacecraft. Good Luck!"