Try this link:
www.big-boys.com/articles/thearmymen.html.
In this game you have to fend off all enemy soldiers from the right to defend your 'base'. It's very fun. Each level consists of a 90 second battle, in which your base has to survive. During the 90 second period, you must shoot ANY soldier walkin to your base. Any soldier killed rewards you money. At the end of each level, you are capable to use the money to hire Tower Guards, get people to repair your base in case of damage, create barriers to increase your hitpoints, build defenses so you have to click on the left mouse button lesser, and even activate a device to retrieve help from local air forces. I'm now starting at level 43, with all upgrades, 72 Towerguards, 72 Comhub employees and 72 repair men and $394.700 in cash. Be careful, because from level 15 you even have to fend off tanks!