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