Here is the full list of all 58 Saturday Morning RPG trophies - there are 52 bronze, 3 silver, 2 gold and 1 platinum.
Unlock all other trophies
Reach Level 50
Collect all 128 Scratch N' Sniff Stickers
Defeat Adrian the cyberdaemon, lord of pizza
Stop the HOOD forces in Shadow Valley
Use the safety scissors to pull an enemy across a bomb
Defeat Evil Marty
Compact Ben in the trash compactor
Make Kev the robot band frontman
Make Bearris the robot band frontman
Make Chris the robot band frontrock
Complete 5 different episodes
Defeat the Trash Monster
Save Ben from the trash compactor
Get Todd and Mary back together
Defeat the Lizard King
Make Captain Crunch the robot band frontman
Complete 4 different episodes
Shoot your eye out with the BB Gun
Win a battle against the Frizzies
Use the decoder ring
Crane kick Billy
Hook Sarah up with Chris Rock
Hook Sarah up with Matt Conroy
Win 225 battles
You called Jenny for a good time
Hook Sarah up with the Basketball Team
Defeat Wave 15 of Endless Battle
Defeat Wave 10 of Endless Battle
Force Blake to go on a date with Sarah
Score 200 Righteous Defenses
Reach Level 21
Win 150 battles
Hook Sarah up with Randy Greenback
Buy Henry's ticket for Ash
Walk away from the Bertha fight
Get a triple S ranking in battle
Defeat Super Computah
Hire Charles Cheezer to "talk" to Henry
Decide to fight Bertha for Bobby Jett
Win 100 battles
Don't destroy the gruel in Episode 2
Complete 2 different episodes
Destroy the gruel in Episode 2
Reach Level 11
Win an arena battle
Defeat Wave 5 of Endless Battle
Retry a fight and win
Win 50 battles
Get a battle rank of A or higher five different times
Play an episode twice
Beat an entire episode without dying
Collect dinner for a friend
Defeat an enemy with a critical punch
Get a righteous rating on a weapon slider 10 times
Scratch all five stickers before battle
Win a fight without scratching any stickers
Max out your multiplier