Masters of the World- A geopolitical simulator game where it has up to date information and you can do 1,000 different actions of either reforms(term limits, tax reduction, bringing troops home, etc) or corruption(assassinations, burglarizing opponents headquarters, voter fraud).

You can also be head of state of any 180 countries.

Use it see which candidates have most realistic platform and which ones don't. Also get into the mindset of a President.