A little guide for new player:
Controll turtorial:
WASD for move
Mouse movement for aiming
Mouse LEFT button for breath in
Mouse RIGHT button for breath out
SPACE for dive under ice hole or go up on ice plain
GamePlay:
player need to keep fish away from ice-hole, using fish-man's breathing ability. You can breath in fish to push them away, or breath ice to form ice-bullet to destroy fish.
Sometimes there are chest underwater, you need to stand on a hole and press SPACE, using breath-out-bullet to hit the chest to gain score. Bubbles pile up when breath in on the surface. When you're underwater, bubbles start to consume, if there's no bubble, fish-man is forced to break the ice-block, which will attract more fish