Game update Ver1.10 released,
If you have started to play already, the data will be Training mode at first.
Can change mode at the world map by Key board: switch ammo / joy: Skip


There have three modes:
EXPERT MODE:
The original mode.

BEGINNER MODE:
Increase the amount of ammo
Dealt more damage to boss
Reduce the amount of mine when boss battle.
Increase time limit when the stage have it.
Reduce damage received
etc.

TRAINING MODE:
The easiest mode,
have all BEGINNER MODE's setting
Decrease the amount of mine
The placement of mine do not reset when retry.