Earn a Support Character
You will get this trophy very early in your adventure, by walking up and talking to Thomas Kemper, a cat. It is a normal part of the storyline.
All Together Now
Do a Team-Up Attack Involving all Three Party Members
To perform a Team-Up attack, wait until all of your party members have initiative, meaning they can all act at the same time. Push the Triangle button and select the x3 icon, and you will unlock this trophy.
A Winner Is You!
Successfully Complete the First Episode
As the description states, beat the first episode and you will unlock this trophy.
Kill an enemy using the feline support character Thomas Kemper
Tougher than it sounds. Thomas Kemper, a support character can be used whenever his inititive is up by selecting his icon, and pushing the X button. He will do a move called "Grooming, or Dooming?" his attack can critical and do a real amazing ammount of damage, but the chances of that are slim. He will usually hit something for one point of damage. To get this trophy, after you unlock him to be used, beat up all enemies in a random battle but one, and weaken him. You cannot die in the beginning of the game until you meet Tycho and Gabe, so just let the game sit there til you can use him over and over again til' you kill the enemy.
Find and Collect All of the Hidden Collectibles Scattered Around the Game
Sounds simple, it actually is. You will get this trophy by finding all the collectables in the game. Just search everything that can be searched and you will find them all eventually. Check the Hidden section for locations.
Find and Destroy All the Robots in the Game
To get this trophy, you must defeat all Fruit Fuckers in the game. You will find most of them by linear storyline and quests. The hidden ones can be found in shaking objects that are on the screen, toolboxes, milk bottle crates...dead birds. Kill them all and the Trophy is yours.
Win One Battle Only Using Counterattacks
To perform a Counterattack you must block at a specific point where you would normally block an attack. When an enemy attacks and their health bar flashes white, bush the R2 button to try to block the attack, if you are quick enough you will take no damage, and counterattack the enemy. Kill all enemies this way. This is simple to do at the begining of the game since you can't die.
Silent, but Deadly
Defeat the Last Boss Without Healing
Pretty hard to do for just a Silver trophy. Basically make sure you have a full stock of Hot Toddies, Dynamite, and Clown Noses. Along with a supply of Attack Up, Attack Down, Speed Up, and Speed Down items. The trick is to make sure you block all of his attacks so you don't take that much damage. Keeping his Attack Down will drastically reduce the damage he deals. It will take a few fights to learn his moves and when to block them.
Play and Win the Game Without Allowing a Character to Die During Combat
Just as it sounds, can be easily done. Just make sure you save often and heal when needed. If you are going for all the trophies in one go, which is possible just be precise during fights and watch your HP guage.
Fight Em' With Items
Use Every Combat Item at Least Once in the Game
Simple enough, the combat items are Hot Toddies, Dynamite, and Clown Noses. Just use one of each and the trophy is yours.
Get All Party Members to Level 15
This will be completed by the time you are near the end of the game. Just make sure to kill everything you fight and do not run from any fights. Find and kill all the Fruit Fuckers as they give a lot of experience. Get everyone to 15 and this trophy is yours.
Kill All Enemies in Episode One
You will get this trophy by making sure you do not run from any fight in the game. You will only miss this if you do not go looking for the Fruit Fuckers in the game. You will need to find all of them if you want to beat the game though.