Left/Right = Slow Down/Speed Up Up = Jump Challenge Mode: Collect as many snow lemmings as you can in the fastest time! Roll downhill, collecting snow lemmings while avoiding trees. Get bonuses for the size of your snowball, height of your jumps, and number of snowmen you collect. If you collect 5 baby lemmings, a mama lemming will spawn, giving you extra points. Relax Mode: Chill out and keep on rollin'.