Up and down to move, use the right arrow to shoot. the balls are your hp. Dodge the ice attacks. DOUBLECLICK THE FLAG HARDMODE CHANGES: All attacks are slightly bigger. +4 HP to tux. A 4th phase, which you will know you got there if you did.
ATTACKS: (Phase 1) Iceball (Phase 2) (enraged) Iceberg Huge Iceball Iceball Lazer (Phase 3) (close to dying) Iceberg Huger Iceball Double Iceball Lazer (Phase 4) Destroy the cores.