StormWinds 1.5 Walkthrough
Note: Cheats are only available to extra content purchasers.
Step 1) First, on the title screen, you must get all the title buttons to have their meters pointing downward. Just hover over the button till the meter points down, then go to the next button until all are pointing down. It doesn't have to be perfect, but close. Combined with the extra content unlocked, this will make all cheat codes available.
Now, from the break screen inbetween waves, you can use the below codes:
Ctrl + Shift + C = All guns now cost only 100g