Press CTRL while entering the cheat code. If you want to use cheat more often, release CTRL, re-press it, and enter the cheat code again.

Granted Wish - Cheat Code

Additional 20,000$ - pesos
Set treasury amount - exacto [number]
Faster building - rapido
Add 10 to Happiness - contento
Kill selected unit - muerte
Political level of difficulty - politicaldifficulty
Economic level of difficulty - economicdifficulty
Change difficulty setting in scenario, free form mode: ratedifficulty
Remove all people from map: removepeople