This compiled list contains tests of all types, some of which were written by the best authors I've met and some were taken from popular websites. A few serve as entrance exams for several of the existing high IQ societies while others are tongue-in-cheek quizzes which should be taken with a grain of salt. The important thing to remember is this: if you want an accurate assessment of your intelligence, find a professional psychologist who can administer a supervised IQ test. Some of these tests are more accurate than others having undergone rigorous statistical work and most will give you a rough estimate of where you fall but to be absolutely sure, you need to consult a professional. There are simply too many methods for cheating on web-based IQ tests that tend to taint the norming process. 

AUTOMATED TESTS!

Oracle Exam  - This fifteen-item test consists of problems roughly measuring general knowledge and cognitive ability. There is a twenty minute time limit and no discussion with others or use of reference materials is allowed. All calculations must be performed mentally. 

Tests by Thomas Allen Smith Jr. 

Carolina Intelligence Test - This test is designed for your amusement only. There is no time limit and you may use any means possible to find the answers (except by discussing the problems with others). A grading scale along with the answers is provided on a separate page. Good luck!

Enigmus Analogies Test Part II - Comprised of the expired daily analogies posted at Enigmadness.com, the Enigmus Analogies Test (or EAT) Part II differs from the multiple choice format of its predecessor.

The Enigmus Riddle Exam - This test consists of thirty riddles which are designed to test your verbal intelligence. You may use reference materials and there is no time limit.  However, you may not discuss the questions with others.  

The Test You Really Should Try - This test was originally designed as a prototype for a high IQ entrance exam. Unfortunately, due to the level of difficulty and the esoteric nature of some of the questions I have decided to retire this endeavor and offer the test as a power test exercise. The answers are provided on a separate page.