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