1. Enter Hotel City game.
2. Open Cheat Engine 5.6 (Download link Below).
3. Click Computer Icon to Select Process to begin the hack.
4. Find process "plugin-container.exe" then click open.
5. Put current number of your EXP in value box on Cheat Engine and click First Scan.
6. Wait until EXP increase. Put new number in Value box then click next scan.
7. Repeat step 6 click next scan until 1 address left. That is your money address.
8. Double click on value to change to whatever you need. (DON'T MORE THAN +1000)
9. Save Game and refresh your game. You can repeat many time you want.
DOWNLOAD CHEAT ENGINE 5.6 from link below: