Extra money:
Enter AEIOU as a base name. In addition to extra money, most items can be purchased at a cost of 1.

Super soldiers:
Enter JUSTLIKEME as a base name. All new soldiers will have full armor and a high rank.

Free items:
Enter the manufacturing screen, choose an item to create, and select "OK" without entering the amount of units or number of technicians. Immediately return to the product selected, enter the desired number of technicians, but only select one item to be created. That item will be completed without reducing your money total.