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