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