Slide across open water and pelt drifting icebergs with snowballs until they crack apart. Watch for pebble-spitting hawks.

AFTER ASTEROIDS · 19791P

Waddle an ice maze gobbling krill while a seal, an orca, a hawk and a walrus give chase. Grab a frost crystal and turn the tables.

AFTER PAC-MAN · 19801P

A sea serpent winds down through the ice toward you. Snowball it segment by segment, and dodge the seal, puffin and hawk.

AFTER CENTIPEDE · 19811P

Dig tunnels through the snow, freeze seals and walruses until they shatter, or drop an ice block right on their heads.

AFTER DIG DUG · 19821P

Flap above rival riders and knock them off their hawks with your lance. Snatch their eggs before they hatch.

AFTER JOUST · 19821P

Two penguins, one star, a pile of snowballs. Duel the computer or a friend while gravity drags you both toward the middle.

AFTER SPACEWAR! · 19621-2P

Climb the icy tower to rescue the chick while Big Tusk the walrus rolls snowballs down. Grab an ice axe and smash them.

AFTER DONKEY KONG · 19811P

Hop across the snow and an icy sea to fill all five nests. Catch fish for bonus points, and watch for seals that dive.

AFTER FROGGER · 19811P

Skuas, polar bears and ice crabs march on the colony. Hold them off with snowballs from behind your igloos.

AFTER SPACE INVADERS · 19781P

The no-internet runner, penguin style. Jump the seals, slide under the birds, and see how far you can go.

AFTER THE CHROME DINO · 20141P