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