Complete the game on any level of difficulty top unlock Nightmare mode.
Rumbletown Ranger - Complete Chapter 3.
Skystones Superstar - Complete Chapter 4.
Glacier Great - Complete Chapter 5.
Vault Victor - Complete Chapter 6.
Wilikin Winner - Complete Chapter 7.
Security Breacher - Complete Chapter 8.
King of the Castle - Complete Chapter 9.
Sky Survivor - Complete Chapter 10.
Drill-X Defeator - Complete Chapter 11.
Molekin Liberator - Complete Chapter 12.
Trial Taker - Complete Chapter 13.
Copter Captain - Complete Chapter 14.
Arkus Adventurer - Complete Chapter 15.
Elemental Explorer - Unlock your first Elemental area.
A New Hero - Complete 1 Heroic Challenge.
1 and 0 - Complete your first arena challenge.
Elemental Enthusiast - Chapter 1: Open all the Elemental areas.
Chain Champ - Chapter 2: Complete the Chain Pull Feat of Strength.
Log Lifter - Chapter 3: Complete the Log Lift Feat of Strength.
Skystone Sampler - Chapter 4: Collect all of the Skystones.
Snowman Slammer - Chapter 5: Destroy 7 snowmen.
Autogyro Pyrotechnician - Chapter 6: Destroy all the Arkeyan Autogyros.
Cannon Confounder - Chapter 8: Complete the level without getting directly hit by a cannon.
Kaos Buster - Chapter 9: Destroy 10 Kaos Bust Statues.
Mine Menace - Chapter 10: Shoot down 10 mines.
Pipe Petard - Chapter 11: Damage Drill-X by throwing a pipe at him.
Hut Wrecker - Chapter 12: Destroy 3 enemy huts with boulders Giants can lift.
Column Crusher - Chapter 13: Destroy all the columns in the second trial.
Freebot Isn't Free - Chapter 15: Defeat Freebot in a game of Skystones.
Keepin' Cool - Chapter 16: Complete the chapter without taking damage from fire traps.
Skystones Strategist - SkyStones: Capture 2 stones with 1 single stone.
Clean Jersey - Don.
Soul Surfer - Collect soul gems for Tree Rex and Jet-Vac.
Seeker Adept - Collect 10 Legendary Ship Parts.
Hint Scholar - Collect 10 Story Scrolls.
Fashionista - Collect 10 Hats.
Completionist - Earn 3 Stars on any Adventure Level.
Talker in a Strange Land - Chapter 7 - Talk to all of the Wilikins.
Pedal to the Metal - Chapter 14: Collect all 16 speed boosts in "The Long Haul" section.
To the Max - Level up any Skylander to level 15.
Upgrade Uniter - Purchase all upgrades for any one Skylander.
Spend That Loot! - Amass 65,000 Treasure with any one Skylander.
Savior of Skylands! - Complete the Story Mode by recovering the Iron Fist of Arkus and defeating Kaos on any difficulty.
Nightmare Avenger - Complete the Story Mode on Nightmare difficulty.
Great Gladiator! - Complete all 21 Arena Challenges.
NO WAY!!!!!!!!!!!!!!!!! - Earn all Bronze, Silver, and Gold trophies.