Imagine yourself on a small boat in the middle of a vast ocean, on the expanses of which you need to survive. Vital forces you can add floating around the balls and lifebuoys, try to collect them as much as possible.
Beware of competing lovers around, do not expose their vulnerable sides, side and back. In turn, get rid of extra mouths, hitting opponents with bows. Use for more powerful jerk of a barrier from which it is possible to receive good acceleration at rebound.