Wow, All these posts here are pretty much spam and arn't helping the person that needs help.
And the guy that said it's not hard with cheats, Its hell easy with cheats.
The best thing to do is spend your money wisely. Obviously you need to get a good gun, But upgrading base defence is one of the best ways to go, The men you can hire to shoot the enemy are also cheapish and in high quantity can help you stay alive!
