Domino and EuroTest.
Domino is a series of similar graphical questions that you can have fun solving. Time limit for this test is 8 minutes.
This is a giveaway test and is not limited in any way in the Demo version.
EuroTest however has a Demo limitation - it doesn't show the result.
EuroTest is a standard European intellignence test. It measures IQs from 75 to 174. It consists of 33 questions divided into 5 parts. The time limit for this test is 20 minutes.