Full list of all 46 AKIBA'S TRIP: Undead & Undressed achievements. It takes around 35-40 hours to unlock all of the achievements on Windows.
Obtained every trophy.
Achieved the true end in Rin's route.
Obtained every ending.
Cleared the game on Otaku difficulty.
Achieved the true end in Tohko's route.
Cleared the game on Gamer difficulty.
Achieved the true end in Shion's route.
Collected 100 ad flyers.
Purchased items at every store.
Collected 75 different types of lower body clothing.
Collected 75 different types of upper body clothing.
Collected 25 different types of headgear.
Refined any weapon or article of clothing up to 999.
Changed clothes on all parts of the body.
Collected 25 different types of accessory.
Acquired one million yen.
Achieved the true end in Shizuku's route.
Achieved the little sister ending.
Cleared the game.
Cleared the battle arena with an S rank.
Removed 300 articles of clothing.
Collected 25 different types of upper body clothing.
Collected 50 different weapon types.
Collected 25 different types of lower body clothing.
Defeated Zenya at the battle arena and turned him back into a regular otaku.
Collected 25 different types of footwear.
Executed Unison Strip with all 6 partners.
Inferred information about Rin and Daishihon Pharmaceuticals.
Achieved level 30.
Collected 100 pieces of underwear.
Collected 25 different types of underwear.
Executed 20 finishers.
Cleared 30 unique side missions.
Tore 300 articles of clothing.
Gained the ability to wear women's clothing.
Emerged victorious against Zenya...with a little help.
Executed Counter Strip 30 times.
Chain-stripped 12 articles of clothing.
Connected 100 hits via counterattack.
Chained 200 attacks.
Collected 25 different weapon types.
Cleared 10 unique side missions.
Attended Rin's public concert.
Removed 50 articles of clothing.
Refined a weapon or article of clothing for the first time.
Chained 50 attacks.