Thin Ice (9) (initially released on July 2010)
1 Coin Bag (easy): Collect 1 coin bag.
3 Coin Bags (medium): Collect 3 coin bags.
6 Coin Bags (medium): Collect 6 coin bags.
Iced Treasure (medium, members only): Find the hidden treasure room.
10 Coin Bags (hard, members only): Collect 10 coin bags.
Ice Bonus (hard): Complete melt 480 ice tiles.
Ice Trekker (hard, members only): Push all blocks to the correct position.
All Coin Bags (extreme, members only): Collect all coin bags on every level.
Ice Master (extreme, members only): Master all the mazes.