12 trophies: 7 bronze, 4 silver, 1 gold

Bronze

Hard To Crack    
Finish first in a round of Battle Royale with the shield still intact

Too Cool For School    
Give Ralph a big owie

King Of Comedy    
Respawn into a missile and die

Brawny    
Finish first in a complete Multiplayer match of at least 3 rounds of Battle Royale

Geddowned!    
Use a Wormhole Disrupt to block a foe’s Monster Attack within a second of it launching at you

Wait For It    
Use a Missile Boost on an attack less than one second before it’s hit by an Anti-Missile

Try Anything Twice    
Reflect the same missile twice

Silver

Duelist    
Defeat a total of 100 foes in Multiplayer

Meet Your Maker    
Defeat a total of 50 Hard Bots when playing as the Robot Factory

Even-Steven    
Defeat a total of 50 opponents after you have been killed

Rest In Pieces    
Accumulate 150 Dead Puzzler’s points ten times, in Multiplayer Battle Royales

Gold

Puritan    
Clear the final level of Poison Peril

Source: http://www.ps3trophies.org/news-396-Game-Added--Puzzlegeddon.html