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.
Completed all quests.
Cleared all ranks at the Might Club.
Obtained all trading cards.
Cleared the Nameless Delusionscape.
Defeated all enemies.
Obtained all head and body apparel and accessories.
Recruited Miké Musumeda... Miké Nyanda? Hmmm...
Obtained all PP parts.
Raised all party members' levels to max.
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 Mizuki Aihara's sub-events.
Completed all of Reiji Shinomiya's sub-events.
Completed all of Kotomi Sanada's sub-events.
Completed all of Saki Hoshino's sub-events.
Achieved a 500% rating.
Completed all of Riyu Momose's sub-events.
Dealt 9999 damage.
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.
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 all of Yoshino Saionji's sub-events.
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 99-beat combo.
Completed Chapter 1.