Here is the full list of all 40 Skylanders SuperChargers achievements worth 1,000 gamerscore.
Equipped your first Mod
Beat The Cloudbreather's Crag
Came in 1st place in any Race level on any difficulty
Honked a vehicle horn
Defeated an enemy while SuperCharged
Beat The Rift to Skylands
Collected 4 vehicle mods
Completed a Race level
Enter a vehicle in Co-Op mode
Fully upgrade a vehicle
Equip 3 different mods on one vehicle
Collect 43 Skystones
Reach Portal Master Rank 40
Reach Portal Master Rank 25
Reach Portal Master Rank 10
Complete 10 quests given by Hugo
Complete 10 quests given by Tessa
Collect 10 Legendary Treasures
Earn 6 gold Emblems
Solve 15 Live Wire Lock puzzles
Beat Ridepocalypse Demo Derby on any difficulty
Beat The Bandit Train on any difficulty
Beat Battlebrawl Island on any difficulty
Beat Vault of the Ancients on any difficulty
Beat Monstrous Isles on any difficulty
Beat Cap'n Cluck's Chicken HQ on any difficulty
Beat Gadfly Glades on any difficulty
Beat The Spell Punk Library on any difficulty
Beat Land of the Undead on any difficulty
Beat The Cloud Kingdom on any difficulty
Have at least 5 active Legendary Treasures in the Academy at once
Win 15 Games of Skystones: Overdrive
Fully complete a Driver quest from Buzz
Come in 1st place in any Race level on each difficulty
Reach Portal Master Rank 70
Reach Portal Master Rank 55
Achieve gold on 12 Emblems
Earn all Land vehicle stars
Defeat The Darkness on any difficulty
Complete Story Mode on Nightmare difficulty