Here is the full list of all 23 City Climber achievements.
Get aboard of the spacecraft.
Inspect the gravitational anomaly in the laboratory.
Infiltrate the rocket silo through the sewers.
Stop the broken monorail.
Save a man in the old theatre.
Escape the hospital.
Escape from the CCPD through the rooftops.
Make your way out of the prison.
Climb the antenna to save the kitty.
Climb home through the open window.
Get electrocuted.
Begin your training.
Learn more about climbing mechanics.
Fall from a wall.
Thank you for your support!
Sabotage the station and save the Earth!
Complete the final stage of the story.
Complete all stages of the "Step by Step" challenge mode.
Complete all stages of the "Leap of Faith" challenge mode.
Complete all stages of the "Crazy Carts" challenge mode.
Complete the whole story in one run, without falling or restarting even once.
Complete all stages of the "Fall Hazard" challenge mode.
Complete all stages of the "Broken Space" challenge mode.