An arcade styled tower defense, where you switch between three helicopters - each taking care of a part of the defenses. One can build turrets and mortars. Second one collects money dropped by enemies. The last one can drop very powerful, but expensive bombs. Kill enough enemies and the final boss to complete a level.

Constrols:

move: arrows

drop bomb: enter

place building: enter

choose building: numbers

switch between helicopters: space

choose level: numbers

Fix 1: moved characters' initial position

Fix 2: fix enemies not spawning, if a level was already completed

Music was made by Twin Musicom

Source code is available as public domain here.