Here is the full list of all 43 Kandagawa Jet Girls achievements.
Obtain all achievements.
Perform 50 Special Techniques while racing.
Update ghost data for Kandagawa Underground in Time Attack Mode.
Equip all 5 "Handling Hydraulic Cylinder" parts on a single jet machine.
Clear "Kandagawa Jet Girls: Riding Toward a Shining Future."
Clear the story for Kagurazaka Technical High School.
Clear the story for Hijiribashi University High School.
Clear 128 missions in Story Mode.
Clear the story for Takadanobaba Girls' Academy.
Clear the story for California Coast High School.
Obtain 81,000 points in one round of an extracurricular activity.
Clear 64 missions in Story Mode.
Purchase a hairstyle at the Shop.
Update ghost data for Tokyo Resort City in Time Attack Mode.
Update ghost data for Ichigaya Water Gates in Time Attack Mode.
Update ghost data for Kichijōji: Inokashira Park in Time Attack Mode.
Update ghost data for Neo Nihonbashi in Time Attack Mode.
Update ghost data for Kandagawa: Asakusabashi in Time Attack Mode.
Update ghost data for Ochanomizu: Hijiribashi in Time Attack Mode.
Update ghost data for Akihabara: Electric City in Time Attack Mode.
Clear the story for CS Production School.
Equip all 5 "High Output Battery" parts on a single jet machine.
Equip all 5 "Acceleration Filter" parts on a single jet machine.
Clear the story for Musashino Girls' Private High School.
Clear 8 missions with an "SSS" rank in Story Mode.
Clear the story for Asakusa Girls' Municipal High School.
Purchase an effect at the Shop.
Purchase a decal at the Shop.
Purchase a skin at the Shop.
Obtain a B rank or higher in the "Aerials" extracurricular activity.
Obtain a B rank or higher in the "Treadmill Run" extracurricular activity.
Obtain a B rank or higher in the "Mopping" extracurricular activity.
Purchase a machine part at the Shop.
Purchase a costume at the Shop.
Obtain a B rank or higher in the "Jet Machine Cleaning" extracurricular activity.
Purchase an accessory at the Shop.
Customize a character in the Dressing Room.
Execute 10 tricks while racing.
Customize a jet machine in the Garage.
Equip a jet machine part.
Clear the first chapter of the story for Asakusa Girls' Municipal High School.
Execute a maxed-out drift boost while racing.
Clear all tutorials.