lifeup_score()

ball_count()
ball_speed()
ball_radius()
ball_color()

power_effect()

bar_length()
bar_color()
bar_overhang()

direction_up()
direction_down()
direction_left()
direction_right()

back_color()
back_image()

clear_rate()
front_line()

item_rate(50)

item_barlong()
item_barshort(0)
item_ballbig()
item_ballsmall(0)
item_speedup()
item_speeddown(0)
item_blockhide(0)
item_gothrough(0)
item_keepin(0)
item_lifeup()
item_lifedown(0)
item_blockincrease()
item_blockdecrease(0)
item_scoreup()
item_scoredown(0)
item_ballincrease(0)
