Estimated platinum difficulty? 7.5/10 (Platinum Difficulty Poll rating)
Number of offline trophies? 51 (42,5,3,1)
Number of online trophies? 0
Estimated time to platinum? 40-50 hours
Number of playthroughs required? Three
Do difficulty trophies stack? No
Glitched trophies? No
Missable trophies? Found Sue!, Found Ai!, Rescued the Princess!, Have a Nice Night!, The Adventure Continues..., And Everyone Lived Happily Ever After!, Flawless Hero!, All Swords Obtained!
Do cheats affect trophies? See Spelunker Extraordinaire!
This guide was created using information taken from EgHeadFool's guide for 3D Dot Game Heroes originally posted on Gamefaqs.com, and exists here with his permission. The majority of the information contained within this guide can found be in the source guide. I would like to thank EgHeadFool on behalf of the ps3t.org community. Without his contribution, this guide would not be possible. Thank you.
This guide often refers to areas of a map (ie. area A1, A2, etc.). This is referring to this map.
To begin, it is best to understand you will have to complete 3D Dot Games Heroes a total of three times to earn the platinum trophy. These three playthroughs will each be completed on a different difficulty: Normal mode, FROM mode, and Spelunker mode. The order that this guide recommends you complete these playthroughs is as follows: Normal, then Spelunker, then FROM. Completing the difficulties in this order gives you the maximum amount of time to acquire small blocks, during gameplay that you must complete regardless. This will minimize the amount of small block farming/earning you must complete during your third playthrough. You must earn 88 small blocks no matter what, so you might as well earn them the most efficient way possible.
CREATE A CHARACTER
PLAYTHROUGH 1 - NORMAL DIFFICULTYSave often. If you die, do not continue, and do not save your game from the post-death screen. Back out to the main menu and load your previous save.
Acquire the Bestiary from the girl in Ortego Village. The Bestiary captures the statistics of monsters within the game. You must record all of the monsters within the game, including bosses, to earn Bestiary Complete!.
During this playthrough, you should record a majority of the monsters. See Booked a Monster! for information on acquiring the Bestiary. Note: The two monsters I recommend you skip in this playthrough are the Blue Dragon and the Crystal Slime. These two monsters appear randomly on the world map, but appear with much greater frequency in FROM mode, and are therefore easier to record then.
If you wish, you may go after Life is Precious!, Master Magician!, and All Swords Obtained! in this playthrough, but I recommend (and this guide assumes) you wait until your FROM mode playthrough.
Do not rescue the fairies Sue and Ai. This will earn you The Adventure Continues... at the end of your Normal playthrough.
PLAYTHROUGH 2 - SPELUNKER DIFFICULTYBegin a New Game+. When naming your character, enter "SPELUNKER" (the name is case sensitive). This will automatically place you into Spelunker mode, regardless of the difficulty you choose onscreen. By virtue of beating the bosses in this mode, you will earn each Besting the Boss trophy (if you did not in your initial playthrough). When you complete this playthrough, you will earn Spelunker Extraordinaire!.
You must also play in Spelunker mode for ten hours to earn You're a Survivor!. It is highly probable you will complete your Spelunker mode playthrough before the ten hour mark, so if you need to eat up some time, just go to a safe zone (a village, a cave, etc.) and just wait until the trophy pops.
PLAYTHROUGH 3 - FROM DIFFICULTY Begin a New Game+. Choose FROM mode for the difficulty. Use EgHeadFool's guide, and follow it step-by-step. This will ensure you complete the necessary events to earn the quest-related swords and all key items, which are themselves required for the Moon Sword.
Purchase every sword from King Block. This will require a total of 88 small blocks. See the Earning Small Blocks section if you do not have enough blocks by the time you reach the end of your third playthrough to purchase all of the swords.
Finish up any entries you are missing for the Bestiary.
Get the best possible result in each minigame (Dash Circuit, Blockout, and Block Defense). Collect all the LIFE pieces and MAGIC Ups required to earn Life is Precious! and Master Magician!. Upgrade the Giga Sword to its maximum potential. Rescue Spelunker from area A1.
Rescue Sue and Ai, and restore the princess to her true form. Travel to Raejack Village with the princess and spend a night at the inn to earn Have a Nice Night?. Complete the game.
[PS3T Would Like to Thank Guttsu-87 for this Road Map]