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