A player airplane shoot bullets against enemy airplanes. The player airplane can move its position by controlling mouse or clicking keyboards. The player airplane has two different kinds of bullets. One goes straight forward and the other proceeds with circular patterns. The first bullet pattern is acquired by crashing against red cherries, and the other bullet pattern is acquired by crashing against blue cherries.
Four different kinds of enemy airplanes have different progressing routes and various bullets' progressing patterns. The first enemy airplanes go straight down from top of the window and their bullets also proceed straight down. The second enemy airplanes go down toward player airplane dodging player's bullets and their bullets go straight down from top of the window. The third enemy has similar moving pattern as the second enemies, but their bullets chase the player until they hit the player. The fourth enemies also have similar moving pattern as the second and third enemies, but their first bullets go down toward the player with a little randomly spreading patterns and their second bullets are shot to entire directions simultaneously.
The player wins if score is over 1000. And if player's healthbar goes to zero, the player lose. The score goes up when player's bullets hit enemies or the player hits cherries. The player's healthbar goes up when the player hit cherries. However, when the player is hit by enemies or enemies' bullets, score and healthbar go down.