Complete a task with a vehicle you bought.
Fulfil a task of cleaning a plane.
Fulfil a task of deicing on the airport.
Drive every vehicle in the game yourself to complete an assigned task.
Complete your first day on the job.
Complete a full day (without buying off or skipping any tasks) by assigning hired workers to vehicles.
Complete a task with a worker who you explicitly hired.
Reach player level 10.
Reach player level 5.
Successfully complete a day where you manage the maximum number of flights.
Complete a full day (without buying off or skipping any tasks) where you perform all tasks yourself without assigning any workers.
Earn enough so that your total money is 200,000.
Earn enough so that your total money is 500,000.
Park a vehicle in one of the new garage.
Fully upgrade an employee's skills.
Read all interactive help messages on the airport.
Complete a task with a rented vehicle.
Get an additional gate for bigger planes.
Fully upgrade a vehicle.
