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