Here is the full list of all 45 Akiba's Beat trophies - there are 31 bronze, 10 silver, 3 gold and 1 platinum.
ACQUIREd all other Akiba's Beat trophies.
Obtained all head and body apparel and accessories.
Obtained all trading cards.
Cleared all ranks at the Might Club.
Raised all party members' levels to max.
Completed all quests.
Cleared the Nameless Delusionscape.
Defeated all enemies.
Recruited Miké Musumeda... Miké Nyanda? Hmmm...
Obtained all PP parts.
Recruited Acquire-chan.
Achieved the true ending.
Completed Chapter 16.
Completed all of Akemi Ecstasia's sub-events.
Completed all of Shareko Ube's sub-events.
Completed all of Reiji Shinomiya's sub-events.
Completed all of Kotomi Sanada's sub-events.
Completed all of Yoshino Saionji's sub-events.
Completed all of Yamato Hongo's sub-events.
Completed all of Saki Hoshino's sub-events.
Completed all of Riyu Momose's sub-events.
Completed all of Mizuki Aihara's sub-events.
Completed all of Moé Suzumori's sub-events.
Completed Chapter 15.
Completed Chapter 14.
Completed Chapter 13.
Completed all of Nana Nanao's sub-events.
Completed Chapter 12.
Completed all of Pinkun's sub-events.
Completed all of Kanata Saotome's sub-events.
Completed Chapter 11.
Completed Chapter 10.
Surpassed one million yen on hand.
Completed Chapter 9.
Dealt 9999 damage.
Completed Chapter 8.
Completed Chapter 7.
Completed Chapter 6.
Achieved a 500% rating.
Completed Chapter 5.
Completed Chapter 4.
Completed Chapter 3.
Completed Chapter 2.
Achieved a 99-beat combo.
Completed Chapter 1.