In Learn to Fly Idle, players are shooting cannons and destroying objects like snowmen, instead of shooting themselves off of a snowy ramp and trying to launch for as distance as they can.  The overall goal is different in the two games as well. In the original Learn to Fly, players are trying to help your penguin get as much distance as possible to break through the giant iceberg over one mile away. In contrast, Learn to Fly Idle is about automating upgrades to your canon's power, speed, and more to get a high score and shoot down snowmen.