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