Instructions
Play the Snowboarding minigame repeatedly until you manage to collect 100 coins. Doing so unlocks both the gold and silver King of the Mountain medals.
Gather 150 coins in the Cart Surfing minigame to win the Rail Kahuna gold and silver medals.
Obtain the Golden Chest medal from the Ice Fishing minigame. Wait for a crab to walk by carrying a treasure chest. When you hook a squid and lower it to the treasure chest, the squid will grab the chest, awarding the medal.
Catch only fish on the Ice Fishing minigame and use them as bait for a mullet. If you successfully catch the mullet, you will recieve the Golden Mullet medal.
Collect every single coin in the Jet Pack Adventure minigame to unlock both the silver and gold Rocket Ace medals. There are 150 total coins available in Jet Pack Adventure.
Conquer the Dance Challenge with 120 coins to obtain the Night Club Fever silver and gold medals.
Grab all 260 coins available in the Snow Trekker minigame to receive your Snow Trekker Rocket medal and Snow Trekker Rocket Lightning medal. These two are the last ones needed to reach 100% completion.