Here is the full list of all 46 Digimon Story: Cyber Sleuth - Hacker's Memory trophies - there are 33 bronze, 10 silver, 2 gold and 1 platinum.
Reached Yet Another Side Chapter 17.
Digivolved a Susanomon.
Reached Yet Another Side Chapter 16.
Reached Yet Another Side Chapter 15.
Reached Yet Another Side Chapter 14.
Reached Yet Another Side Chapter 13.
Reached Yet Another Side Chapter 12.
Saw all popularity events with a Digimon character.
Reached Yet Another Side Chapter 11.
Reached Yet Another Side Chapter 10.
Reached Yet Another Side Chapter 09.
Reached Yet Another Side Chapter 08.
Solved 50 BBS cases.
Saw all popularity events with a human character.
Reached Yet Another Side Chapter 07.
Cleared five Domination Battles during investigations.
Reached Yet Another Side Chapter 06.
Dealt 999 damage or more with a single attack.
Reached Yet Another Side Chapter 05.
Reached Yet Another Side Chapter 04.
Saw a popularity event for the first time.
Landed a combo of three or more attacks.
Accessed a Hacker's Memory for the first time.
Reached Yet Another Side Chapter 03.
Changed title in online mode for the first time.
Changed avatar in online mode for the first time.
Reached Yet Another Side Chapter 02.
Reached Yet Another Side Chapter 01.
Collected all trophies.
Reached Yet Another Side Chapter 18.
Cleared Hacker's Memory main story.
Beat back the Vampire King in the depths of the Abyss Server.
Accessed all memories of Hackers' Memory.
Attained maximum hacker rank.
300 Digimon registered in the Digimon Field Guide.
Collected 600 types of Digimon medals.
Collected 700 types of Digimon medals.
Saved all broken Mr. Navits.
Defeated PileVolcamon in the offline Colosseum.
Digivolved a Hudiemon.
Digivolved both Chaosmon and Chaosmon VA.
Equipped a Digimon with an accessory for the first time.
Equipped all three Battle Digimon with accessories.
Bought at least 20 avatars at the Coin Shop.
Got at least ten titles from online mode.
Savored every flavor from the Internet cafe's coffee maker.