Tools you need :

1) Firefox
2) Cheat Engine 5.5
3) Flash Player Player 10

First, set your Workers to Janitor.

Hack:
1. Scan "2BD38991" (Hex, ASROM, Array of Bytes)
2. 1 Address Found. Disassemble it.
3. In the first address, it says "Sub Edx, Ebx". Change it to "Sub Edx, Edx"
4. Done, check your RC and you'll see lots of Rubbish.
5. Next, Scan "04B878488901C183" (Hex, ASROM, 8bytes)
6. 1 Address Found. Disassemble it.
7. Change add ecx,01 to add ecx,00
8. Next, Scan "E44589D47589C085" (Hex, ASROM, 8bytes)
9. 1 Address Found. Disassemble it.
10. You will see a line "je xxxxxxx". Right Click > Replace the Code that does Nothing
11. Scroll down, you will see another "je xxxxxxxx" line. Right Click > Replace the code that does nothing
12. Done! Check your RC.
13. E-mail me at good_snails [at] yahoo.com for questions about the hack.
14. Credits to ivvy for the Array of Byte Code.

Source:  Marco Tolentino

Tools you need :

1) Firefox
2) Cheat Engine 5.5
3) Flash Player Player 9

1) On your Restaurant City
2) Open your cheat engine for process list and choose Firefox.
3) Click on any tree in the game.
4) Scan F98BE8558DE85D89 with hex, 8bytes and ASROM.
5) Right click the address and click Disassemble
6) Search for "je xxxxxx" and right click select "Replace with code that does nothing" and click ok.
7) Click on any tree in the game.
8) Scan 04B868488901C183 with hex, 8bytes and ASROM.
9) Right click the address and click Disassemble, change add ecx,01 to add, ecx,1e.
10) Go back to the game and start clicking on the trees and the coins will just keep popping through.

Tools you need :
1) Cheat Engine
2) Firefox
2) Flash Player 9 or 10
4) Mouse Recorder

1) Play your RC in firefox
2) Now in Cheat Engine, select firefox as process,tick hex,ASROM,value type(8 bytes)
3) Click some trees on your restaurant city until it drops a coin
   1 coin will be enough
4) Scan "00000004B8684889"
5) 1 address returned. R.click > Disassemble address
6) R.click the line mov [eax+68],ecx and click Toggle breakpoint
7) Go back to your restaurant city and click some trees again until it
   freezes your game if it didn't freeze go to redecorate save the game and
   click some trees again until your game freezes
8) Now go back in Cheat Engine memory viewer,click the red colored EAX and copy its value
9) Click New Scan on CE set it to 4bytes and paste the EAX value then click first scan
10)1 or 2 addresses can be seen,copy the first address
11)Click Add address manually,type in 4bytes,click pointer
12)Paste the address you copied from step 9 to Address of pointer
   and type 68 in Offset Hex, click ok
13)Change the value to 30 and check frozen
14)Go back to memory viewer R.click the line mov [eax+68],ecx and click Toggle breakpoint
   then click Debug and click Run
15)On your restaurant city click street and click decorate the building
   move anything and click check,every save you will gain 30 coins
   repeat this process until you are satisfied.Use mouse recorder (optional)
   added coins can be seen after you refresh your browser
16)Mail me at bedkama121 [@] yahoo.com for some questions and suggestions regarding this hack or ask me in the chatbox at Restaurant City Tips online name: nameless

Piaip's Restaurant City Hack Tool v2.12

Piaip's Restaurant City Hack Tool the alternate tool beside the RC Tools v5.1. Much easier to use without the use of Cheat Engine.

Download:
Piaip's Restaurant City Hack Tool v2.12
Flash Player 9 Package