A random sampling says:
You agree that you will not, under any circumstances:
use cheats, automation software (bots), hacks, mods or any other unauthorized third-party software designed to modify the World of Warcraft experience;
You may violate the Terms of Service if, as determined by EA in its sole discretion, you: [...]
- Promote, encourage or take part in any activity involving hacking, cracking, phishing, taking advantage of exploits or cheats and/or distribution of counterfeit software and/or virtual currency/items.
CHEATING AND HACKING - You agree that you will not, under any circumstances:
d. Use cheats, exploits, automation software, bots, hacks, mods or any unauthorized third party software designed to modify or interfere with the Service or any Zynga game experience;
As stated on a comment, while in singleplayer games they'd be OK, in multiplayer games they will most likely seen as cheating.