until you get the tank all you really have to do is fill a trench with 3 assault at a time, call a fourth, then send them all out and constantly use support. then all you have to do is spam tanks and support. too easy
choose a level, right click and press forward until you get to the screen where you can buy stuff and you'll have 35 free moneys. you can keep right clicking and pressing forward from there and get infinite money.
 "Kongai"){kind=icon}
 "Platform Racing"){kind=icon}
 "Protector"){kind=icon}
 "The Last Stand"){kind=icon}
 "MARDEK RPG: Chapter 1"){kind=icon}
 "create your own tower defense"){kind=icon}
 "Shopping Cart Hero"){kind=icon}
 "Pokemon Racing"){kind=icon}
 "Music Catch 2"){kind=icon}
 "Warfare: 1917"){kind=icon}
 "Don't Shit Your Pants"){kind=icon}
 "Warlords: Heroes"){kind=icon}
 "Jumpcat"){kind=icon}
 "Draw-Play 2"){kind=icon}
 "The Newgrounds Card Game"){kind=icon}