Here is the full list of all 27 Super Skelemania trophies - there are 8 bronze, 12 silver, 6 gold and 1 platinum.
Get all the trophies
Become human
Complete the game within 17 minutes
Complete the game within 40 minutes
Complete the game within 60 minutes
Complete the game
Get the Blast power
Collect all Life orbs
Knock an enemy out with its own attack
Hit the Gong in the Emerald Mines
Get the Ground Pound power
Hit the Gong in the Dead Jungle
Collect all Map orbs
Get the Map in the Dead Jungle
Hit the Gong in the Ancient Oak
Get the Map in the Ancient Oak
Discover the secret room
Get the Bowl power
Hit the Gong in the Red Jungle
Get the Dash power
Get the Backflip power
Get the Map in the Emerald Mines
Hit the Gong in the Sanctum
Get the Dive power
Save the game for the first time
Get the Map in the Red Jungle
Get the Map in the Sanctum