Each power item adds 1 level. Power can be up to 7 levels.
If the player touches a bullet or an enemy, 2 levels will be subtracted from the initial level.
Starting from Level 4, the player will attract score points.
At max level, power items will convert into score points.

Initial remainings: 3

If the player uses continues 3 times, the game ends and goes to the ranking screen. There is no continue in the Extra stage. Using no continues will result in a Good Ending.