The game features levels taking place in different time periods between the years 1935 and 2035.

It also featured many more levels than the original game.

The game features 3D imagery and a high level of control over the airport.

This model features a lower level of expenditures than the previous ones.

This version featured a new level, which replaced the secret levels.

It also features three levels of difficulty, corresponding to easy, medium, and hard.

They tend to feature a high level of mixed-use development.

Both figures feature a high level of detail and articulation.

The game featured several levels with increasingly difficult enemies and terrain.

Action Gamer features only two levels, one of which is incomplete.