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