(adsbygoogle = window.adsbygoogle || []).push({}); After beating the game there is chapter select so you can unlock all the trophies possible a little faster but the game only takes about 2-3 hours depending on the player to get the platinum.
The only trophy I unlocked without having to do anything was* the NERD trophy.

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Thanks for posting. the game is under 2 hours for normal playthrough and platinum cleanup.

If people want to know how to use this save.
You can just instantly chapter select and do only the chapters with specific chapter related trophies, then you can browse the trashopedia entirely to get the nerd trophy. Will save you time playing not needed chapters, but like I said game is an under 2 hour platinum already.