Use the undo button 30 times
Used the undo button 25 times
Use the restart button 25 times
Used restart 5 times
Completed a Mars level in under 1 minute
Reached level 21
Completed 15 levels
Use undo 5 times
Use undo for the first time
Deliver 50 drones to their recharge docks
Complete a Moon level in under 40 seconds
Reach level 11
Complete 10 levels without using undo
Delivered 30 drones to their recharge docks
Delivered 20 drones to their recharge docks
Completed 5 levels without restarting
Completed 5 levels
Completed 5 levels without using undo
Delivered 10 drones to their recharge docks
Use restart for the first time
Push a total of 25 drones
Stay idle for more than 5 seconds
Pushed a total of 15 drones
Pushed 5 drones
Complete a level in under 20 seconds
Completed a level in under 40 seconds without using undo
Complete a level without using undo or restart
Deliver the first drone to the recharge dock
Pushed your first drone
