Intelligence Test - fun and unique IQ Tests
IQ Test Labs - Discover your intellectual strengths
IQ Test 100 - The most accurate intelligence test
IQ test - Online Intelligence test
Test Yourself! Free high quality psychological tests at 123test.com
TestYourself by PsychTests: Tests and quizzes on personality, IQ, love/relationships, career, health and attitudes/lifestyle. Professional quality online psychological assessments developed by the web's prominent testing experts.
IQ test UK – Online IQ Tests
Tests.com Practice Tests
Quick IQ Test - Good Questions
Shipping and maritime intelligence - Lloyd's List Intelligence