"Otaku" diffculty level
Clear the game once (any difficulty)
"The Standard" Character Motion Accessory
Clear the game once (any difficulty)
Akihabara NPC character Models
Clear the game at least once with each Girl's route
Anti-Gravity Primer (motion accessory)
Clear all 5 character routes (any difficulty)
Brainwashed Kati Model
Clear the Shion Route
Change Character Models (NPCs, heroines etc.)
Clear the respective routes for those characters
Change Partner's Underwear
Clear the game once (any difficulty) - Must be able to change that character's clothing
Character Affection Hint Option
Clear the game once (Casual or harder)
Character Model Size (in-game) Change
Clear the game once (Casual or harder)
Character Skin Tone Change
Clear the game once (Casual or higher)
Character Voice Change
Clear the game once (Gamer or higher)
Invisible Clothing Mode
Clear all 5 character routes (Casual or harder)
Kaito's Model & Shoes
Clear the Touko Route (any difficulty)
Kati's Model, Shoes
Clear the Touko Route (any difficulty)
Nana's Model, Shoes & Parka (hood down)
Clear the Sister/Nana Route Submissions (any difficulty)
Ornery Touko Model
Clear the Rin Route (any difficulty)
Pops' Model & Shoes
Clear the Touko Route (any difficulty)
Rin's Model, Shoes & Memento
Clear the Rin Route (any difficulty)
Sakaguchi's Model, Glasses & Shoes
Clear the Shion Route (any difficulty)
Shion Kasugai's Model, Shoes & Amulet
Clear the Shion Route (any difficulty)
Shion's Mask, Shion's Lab Coat & Disconcerting Rosay
Clear the Shion Route (any difficulty)
Shizuku Tokikaze's Model, Shoes & Rune
Clear the Shizuku Route (any difficulty)
Souga's character Model & Shoes
Clear the game once (any difficulty)
Touko Sagisaka's Model, Shoes & Safeguard
Clear the Touko Route (any difficulty)
Try Again Tomorrow (motion accessory)
Clear the game with at least 50% of all Sub-Missions cleared
Walk With Your Head Down (motion accessory)
Clear the game with 100% of Sub-Missions cleared
Yuuto's Model, Glasses & Shoes
Clear the Touko Route (any difficulty)
Zenya's character Model & Shoes
Clear the Rin or Shizuku Routes once (Casual or higher)