| U.S. Presidents Quiz | 3,672,291 | 0 | - |
| Do You Even Chess? | 42,985 | 0 | - |
| 1860s Decade Quiz | 40,229 | 0 | - |
| 1870s Decade Quiz | 36,495 | 0 | - |
| Ursa Minor Stars Sequential Quiz | 16 | - | - |
| Toronto Subway Stations - With Map | 1,141 | - | - |
| Montreal metro stations, with map | 4,777 | - | - |
| Elements of the Periodic Table | 2,229,575 | 0 | - |
| U.S. State Capital Etymology | 36,844 | 0 | - |
| African Countries by Etymology | 2,787 | - | - |
| North American Countries by Etymology | 1,351 | - | - |
| Krebs Cycle | 329 | - | - |
| Krebs Cycle Structures | 596 | - | - |
| Glycolysis | 315 | - | - |
| Glycolysis Structures | 104 | - | - |
| The Ultimate Phobias Quiz | 1,154 | - | - |
| Egyptian Gods and Goddesses | 27,446 | 0 | - |
| Ultimate Biology Quiz | 556 | - | - |
| Famous Rivers | 104,671 | 0 | - |
| All 50k+ Cities in Europe with a Map | 34,188 | 0 | - |
| Computer Nerd Acronyms Quiz #1 | 155,437 | 0 | - |
| Computer Nerd Acronyms Quiz #2 | 53,746 | 0 | - |
| Olympian Gods Quiz | 498,145 | 0 | - |
| Roman to Greek God | 122,461 | 0 | - |
| Name the English Monarchs | 499,875 | 0 | - |
| Shakespeare's Plays Quiz | 386,687 | 0 | - |
| Linguistics Vocabulary | 383 | - | - |
| Chemistry Vocabulary | 1,631 | - | - |
| Five Most Populous Cities in Each Province in Canada | 28 | - | - |
| Most Populous Islands | 122,177 | 0 | - |
| Physics Vocabulary | 771 | - | - |
| Anatomy Vocabulary Click Quiz | 1,190 | - | - |
| Law Vocabulary (U.S.) | 567 | - | - |
| Psychology Vocabulary | 818 | - | - |
| Economics Vocabulary | 652 | - | - |
| English Grammar Vocabulary | 334 | - | - |
| Astronomy Vocabulary | 207 | - | - |
| Botany Vocabulary | 273 | - | - |
| Geographic Features Vocabulary | 150 | - | - |
| Construction Vocabulary | 151 | - | - |
| Archaeology Vocabulary Text Quiz | 99 | - | - |
| Obscure Trivia #6 | 69 | - | - |
| Essential Vitamins and Minerals (Micronutrients) | 1,160 | - | - |
| Drugs that are Painkillers (Analgesic/Anesthetic Medicines) | 925 | - | - |
| Diseases: Virus... or Bacteria? | 38,541 | 0 | - |
| Electronic Symbols of Circuit Diagrams in Engineering by Picture | 913 | - | - |
| Famous "Effects" in Science and Psychology | 734 | - | - |
| Diseases, Disorders, Conditions, or Syndromes Named After People | 508 | - | - |
| Composition of the Universe | 916 | - | - |
| Famous Syndromes (Medical and Otherwise) | 1,405 | - | - |
| Famous Complexes in Psychology | 779 | - | - |
| Colors A-Z | 517 | - | - |
| Counties of England | 792,134 | 0 | - |
| UK Cities Map Quiz | 463,114 | 0 | - |
| Counties of England Map Quiz | 306,584 | 0 | - |
| Pays hôtes des Jeux Olympiques | 137,088 | 0 | - |
| Ontario Premiers | 52 | - | - |
| European Capitals by Airport Code | 35,747 | 0 | - |
| African Capitals by airport code | 629 | - | - |
| North American Capitals by airport code | 687 | - | - |
| Top World Languages | 816,778 | 0 | - |
| All Toronto TTC Bus Routes | 371 | - | - |
| Prime Ministers of the UK | 436,412 | 0 | - |
| U.S. Vice Presidents | 135,593 | 0 | - |
| Deadliest U.S. Wars | 189,700 | 0 | - |
| Dow Jones 30 Companies | 33,044 | 0 | - |
| Books of the Protestant Bible | 208,509 | 0 | - |
| Countries Mentioned in the Bible | 66,452 | 0 | - |
| Genius Level General Knowledge #4 | 17,781 | 0 | - |
| Name the Metal Alloy | 13,479 | 0 | - |
| Natural and Artificial Sweeteners (Food and Nutrition) | 190 | - | - |
| Quotes of Jesus | 13,783 | 0 | - |
| American History Quotes #1 | 95,793 | 0 | - |
| Animal Anatomy Quiz | 59,733 | 0 | - |
| Dinosaur Trivia | 21,980 | 0 | - |
| Comparative Religions Vocabulary | 103 | - | - |
| Philosophy Vocabulary | 566 | - | - |
| Pharmacy - Top 200 Drugs - Name the Generic | 859 | - | - |
| Pharmacy - Antibiotics by Class | 374 | - | - |
| Pharmacy - Antivirals by Mechanism of Action | 15 | - | - |
| Pharmacy - Antifungals by Class | 34 | - | - |
| Name the 20 Amino Acids | 3,914 | - | - |
| Shakespearean Phrases | 36,604 | 0 | - |
| Random General Knowledge - Countries | 88,537 | 0 | - |
| Apple Mac OS X Codenames | 8,364 | 0 | - |
| 50 Largest Cities (according to different sources) Map Quiz | 2,058 | - | - |
| Ancient Greek Words | 111,057 | 0 | - |
| Letters of the Greek Alphabet | 644,295 | 0 | - |
| Denominations of Christianity | 1,421 | - | - |
| U.S. States by Wikipedia Descriptions #2 | 37,019 | 0 | - |
| Stanley Cup Champions | 1,023 | - | - |
| Counties of Ireland | 193,924 | 0 | - |
| States of Mexico | 174,477 | 0 | - |
| Largest Indonesian Islands | 49,814 | 0 | - |
| 100 Rivers on a World Map | 98,913 | 0 | - |
| All 88 constellations by picture | 714 | - | - |
| Who Directed That Movie #3 | 17,871 | 0 | - |
