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