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