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