European IQ Test  
   Free online IQ test.
   http://www.hormiga.org/iqt.htm

Daily IQ Test  
   Daily changing IQ-style questions of diverse nature for fun and learning purposes.
   http://www.zdaily.com/iq.htm

ACE Intelligence Website  
   Free IQ tests, including an official test and weekly changing tests.
   http://aceviper.net/

Self-Discovery Workshop IQ test  
   Online IQ test with information on intelligence testing and history thereof.
   http://iqtest.com/

Intelligence Tests  
   List and rating of IQ tests available online.
   http://www.allthetests.com/intelligence.php3

Startkabel IQ Links  
   Links to IQ tests in various languages.
   http://iq-test.startkabel.nl/

IQ Test Labs  
   Free online IQ test with 10-minute timer and automatic scoring.
   http://www.intelligencetest.com/

Queendom IQ Tests  
   Various professionally designed online IQ tests.
   http://www.queendom.com/tests/iq/index.html

Test of Logical Abstractive Perception  
   Overview of its psychometric properties and links to the test itself.
   http://www.cerebrals.com/tests/members_tests/member1/iq_test_2.htm

Encephalist-R22  
   High-range test downloadable as PDF file; web site contains statistics for the test.
   http://www.cerebrals.com/tests/members_tests/member1/iq_test_1.htm

Ultimate IQ test link site  
   Over 100 links to IQ tests in various languages.
   http://home.hetnet.nl/~rijk42/iqtestlinks.html

International High IQ Society  
   Professional free online IQ tests; you can choose between Flash and HTML version. Membership possible.
   http://www.highiqsociety.org/

Emode's Ultimate IQ Test  
   Free Ph.D. certified test. You get a 15-page personalized analysis.
   http://www.emode.com/tests/uiq/

Tests Of Intelligence  
   Various types of IQ tests to test yourself.
   http://www.geocities.com/kcrose2001hr/Test-of-inteligence.html

IQ Tests  
   Directory of intelligence tests of varying psychological validity; includes brief description and estimated time required for completion.
   http://www.2h.com/iq-tests.html

In-Depth IQ Test  
   Free 12-minute test.
   http://www.ivillagehealth.com/quiz/iqtest/pages/0,12910,261445_295384,00.html

Uncommonly Difficult IQ Tests  
   Large variety of IQ tests, links to HIQ organizations, articles about intelligence.
   http://www.eskimo.com/~miyaguch/hoeflin.html

Sentence Completion Test  
   Assesses English vocabulary knowledge. Presented as an experimental form of a verbal IQ test.
   http://psytest.psy.med.uni-muenchen.de/sct2/index.html

Difficult IQ tests  
   Comprehensive list of IQ tests and IQ societies.
   http://www.iqtest.sk

2 Free Online IQ Tests  
   Answer 40 questions in 30 minutes and receive an analysis with your IQ.
   http://iqtests.fabiand.net

TOI  
   Contains special and combined IQ tests and links to IQ and EQ sites.
   http://www.fortunecity.com/marina/jamaica/131/index.html

IQ Test  
   Professional IQ Test with the option of acquiring a Certificate of Accomplishment.
   http://www.iqtest.bz/index.html

Know yourself better  
   An IQ level indicates how one is positioned compared to the majority of individuals in a given age bracket.
   http://www.3f68.com/

Foritensum  
   A very difficult culture-fair test.
   http://puzzles.zzlevo.net/foritensum/

Quick IQ TEST  
   You get a title and image to go with your score.
   http://webpages.charter.net/jimbobwilly2001/quiz/

Hangar Z's BrainStorm  
   This site uses scientificly proven principals to help stimulate your thought process. Part of the Hangar Z Network
   http://www.hangarz.com/brainstorm/

SON-R Nonverbal Intelligence Tests  
   Individual tests for children not requiring use of language. Especially suited for children with problems in the areas of language and verbal communication. Norms available for ages 2 to 17.
   http://www.testresearch.nl/

Sigma Test  
   Admission test for several high-IQ societies. Contains sections with various levels of difficulty.
   http://planeta.terra.com.br/educacao/sigmasociety/sigma_test_vi_eng.html

USATests.com  
   Provides an online IQ, EQ and general knowledge tests that evaluate your intelligence.
   http://www.usatests.com/

IQ Inform  
   Take a 12-minute IQ test and receive a certificate and multi-page report.
   http://www.iqinform.com/

Cerebrals Online Intelligence Tests  
   This page gathers online intelligence tests prepared by members of the Cerebrals Society.
   http://www.cerebrals.org/tests/default.htm

Expert Rating IQ Test for Adults  
   An IQ test that takes 30-40 minutes and provides online results ($9.95).
   http://www.expertrating.com/details.asp?examid=59&catid=18

Free IQ tests  
   Provides free intelligence tests prepared by Jouve Testing. The tests will help you to measure your mental ability and to estimate your IQ.
   http://www.freeiqtest.net