The mission of the game is to finish the six tables (levels) by shooting enemies. Through all six tables, build up your bonus by blowing-up the fuel tanks.
- Table 1 : Avoid and destroy the floating mines.
- Table 2 : Exploding sharks appear as well as the destroyers.
- Table 3 : A cavern where octopuses lie in wait.
- Table 4 : A complex of towers replaces the lower part of the cavern. As well as the destroyers and octopuses, the mines reappear in large numbers.
- Table 5 : Accelerated version of Table 4.
- Table 6 : You return to Table 1 in an accelerated version.