Keeper of the Grove
http://armorgames.com/play/13271/keeper-of-the-grove
Money: 4bytes * 1
Note that you will have to search for it, buy something, then search it again for possibly several times before the values show up.
There will be 2 values left. Change both values to the amount of money you want.
Your money will appear unchanged, but it will go into the negatives.
You must search for the values after every level along with any restarts.