Here is the full list of all 31 SwapQuest trophies - there are 10 bronze, 15 silver, 5 gold and 1 platinum.
You found everything there is in SwapQuest!
Master an armor.
Collect 15.000 Jewels.
King of the Slimes!
Use an active ability 50 times.
Defeat 200 Enemies.
Reach level 25.
Find the hidden boss.
Watch the credits.
Something's lurking in the dark.
Master a weapon.
Master an ability.
Use an active ability 10 times.
Swap 2.500 Tiles.
Find the hidden challenge level.
Finish every challenge level.
Find all the hidden jewels.
Defeat 100 enemies.
Collect 5.000 Jewels.
Swap 1.000 Tiles.
Collect 999 Jewels in one level.
Reach your second class change.
Defeat Ulthros, the giant kraken!
Use an active ability.
Defeat 50 Enemies.
Swap 500 Tiles.
Collect 1.000 Jewels.
Beat Xerberus, the three-headed hound!
Reach your first class change.
Defeat Ghargon, the evil bug!
Defeat a midboss.