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.
Recruited Acquire-chan.
Achieved the true ending.
Completed Chapter 16.
Defeated all enemies.
Obtained all trading cards.
Completed all quests.
Cleared all ranks at the Might Club.
Obtained all head and body apparel and accessories.
Completed all of Akemi Ecstasia's sub-events.
Obtained all PP parts.
Completed all of Shareko Ube's sub-events.
Cleared the Nameless Delusionscape.
Recruited Miké Musumeda... Miké Nyanda? Hmmm...
Completed all of Kotomi Sanada's sub-events.
Completed all of Saki Hoshino's sub-events.
Completed all of Reiji Shinomiya's sub-events.
Completed all of Yamato Hongo's sub-events.
Raised all party members' levels to max.
Completed all of Mizuki Aihara's sub-events.
Completed all of Riyu Momose'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.
Surpassed one million yen on hand.
Completed Chapter 12.
Completed all of Kanata Saotome's sub-events.
Completed all of Pinkun's sub-events.
Completed Chapter 11.
Dealt 9999 damage.
Completed all of Yoshino Saionji's sub-events.
Completed Chapter 10.
Completed Chapter 9.
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.