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