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.
Cleared all ranks at the Might Club.
Raised all party members' levels to max.
Completed all quests.
Obtained all trading cards.
Obtained all head and body apparel and accessories.
Defeated all enemies.
Cleared the Nameless Delusionscape.
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.
Dealt 9999 damage.
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 Mizuki Aihara's sub-events.
Achieved a 500% rating.
Completed all of Riyu Momose's sub-events.
Completed all of Moé Suzumori's sub-events.
Completed Chapter 15.
Completed Chapter 14.
Surpassed one million yen on hand.
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.
Achieved a 99-beat combo.
Completed Chapter 5.
Completed Chapter 4.
Completed Chapter 3.
Completed Chapter 2.
Completed Chapter 1.