Every pebble counts
Your colony starts with one penguin, one nest and a pile of pebbles across the ice. Click a resting penguin to send it off: it waddles to the pile, picks up a pebble and carries it home. Hire more penguins, find new pebble piles and keep the line moving. Piles run dry and refill, so keep an eye on where your flock is heading.
Golden Pebbles: every trip has a chance to turn up gold, worth many times a normal pebble.
Motivation: build up points over time and click a walking penguin to send it scurrying at top speed.
Departure Whistle: in time your penguins head out by themselves, and the colony runs while you watch.
Blizzards: snowstorms slow the flock down, but every click on a pile digs a pebble straight out of the snow.
Gone fishing
Conquer the Glacier and the Shore opens up. Fishers dive into the sea, swim after the nearest fish and bring it back to the nest. Both zones keep working side by side, so the Glacier keeps earning while you fish.
Big fish worth three times as much, and rare Golden Fish.
Feeding Frenzies that crowd the fish to the shore.
Double Hauls, bait, an ice hole by the nest and fishing huts closer to the water.
Trade pebbles for better fish prices, and feast on fish for better pebbles.
Hit the slopes
Complete the Shore and the Slopes open up. Sliders belly-slide down the mountain for Ice Crystals and ride the lift back up. A clean run can turn into a Perfect Run worth extra, while a wipeout leaves the slider lying in the snow for a while.
Migrate and come back stronger
Once the Glacier is done, the colony can Migrate: start the run over and earn Feathers for everything you gathered. Every Feather ever earned adds 5% to all income, and Feathers buy permanent upgrades such as a bigger starting flock, faster flippers and penguins that know the way from the start.
Features
Three zones, the Glacier, the Shore and the Slopes, each with its own currency, upgrades and goal.
88 upgrades: 25 on the Glacier, 25 on the Shore, 20 on the Slopes and 18 permanent Feather upgrades.
A real ending: reach the Glacier's goal in about four hours, then take on the Shore and the Slopes.
Migration challenges with permanent rewards, and hats and scarves to dress up your flock.
Endless mode for players who want the numbers to keep going up.
49 Steam Achievements, some of them secret.
Progress is saved automatically.