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