Tools you need :
1) Cheat Engine 5.5
2) Firefox or IE
4) Flash Player 9
This hack is to SUBTRACT 1 point from each dish you serve! Useful when you're using a money + point speed hack but you don't want the points!
What you do is:
1) Open Restaurant City in your browser and must be using FLASH PLAYER 9
2) Open Cheat engine and attach the process to the browswer you're using to play Restaurant City.
3) Tick 8 bytes, Hex, and Also read-only Memory
4) Search for 8b08468bc1580ff2 in the value box
5) Right-click the address found and click disassemble memory.
6) The second column should say: addsd xmm0,xmm1
Right-click it and click Assemble
Change it to subsd xmm0,xmm0
That's it! Your points will go down -1 for every dish you serve!
NOTE: If the above code does not work, try this one:02c08f8bc02a0ff2