Here is the full list of all 23 City Climber achievements.
Save a man in the old theatre.
Stop the broken monorail.
Escape from the CCPD through the rooftops.
Escape the hospital.
Make your way out of the prison.
Climb home through the open window.
Climb the antenna to save the kitty.
Learn more about climbing mechanics.
Get electrocuted.
Begin your training.
Fall from a wall.
Thank you for your support!
Inspect the gravitational anomaly in the laboratory.
Infiltrate the rocket silo through the sewers.
Get aboard of the spacecraft.
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.