| U.S. Presidents Quiz | 3,707,671 | 0 | - |
| Do You Even Chess? | 43,312 | 0 | - |
| 1860s Decade Quiz | 40,419 | 0 | - |
| 1870s Decade Quiz | 36,678 | 0 | - |
| Ursa Minor Stars Sequential Quiz | 16 | - | - |
| Toronto Subway Stations - With Map | 1,159 | - | - |
| Montreal metro stations, with map | 4,873 | - | - |
| Elements of the Periodic Table | 2,248,474 | 0 | - |
| U.S. State Capital Etymology | 36,985 | 0 | - |
| African Countries by Etymology | 2,807 | - | - |
| North American Countries by Etymology | 1,369 | - | - |
| Krebs Cycle | 343 | - | - |
| Krebs Cycle Structures | 611 | - | - |
| Glycolysis | 317 | - | - |
| Glycolysis Structures | 109 | - | - |
| The Ultimate Phobias Quiz | 1,155 | - | - |
| Egyptian Gods and Goddesses | 27,581 | 0 | - |
| Ultimate Biology Quiz | 564 | - | - |
| Famous Rivers | 105,061 | 0 | - |
| All 50k+ Cities in Europe with a Map | 35,057 | 0 | - |
| Computer Nerd Acronyms Quiz #1 | 156,391 | 0 | - |
| Computer Nerd Acronyms Quiz #2 | 54,385 | 0 | - |
| Olympian Gods Quiz | 501,820 | 0 | - |
| Roman to Greek God | 123,011 | 0 | - |
| Name the English Monarchs | 503,875 | 0 | - |
| Shakespeare's Plays Quiz | 388,696 | 0 | - |
| Linguistics Vocabulary | 391 | - | - |
| Chemistry Vocabulary | 1,679 | - | - |
| Five Most Populous Cities in Each Province in Canada | 28 | - | - |
| Most Populous Islands | 123,042 | 0 | - |
| Physics Vocabulary | 787 | - | - |
| Anatomy Vocabulary Click Quiz | 1,203 | - | - |
| Law Vocabulary (U.S.) | 573 | - | - |
| Psychology Vocabulary | 853 | - | - |
| Economics Vocabulary | 671 | - | - |
| English Grammar Vocabulary | 342 | - | - |
| Astronomy Vocabulary | 214 | - | - |
| Botany Vocabulary | 275 | - | - |
| Geographic Features Vocabulary | 154 | - | - |
| Construction Vocabulary | 154 | - | - |
| Archaeology Vocabulary Text Quiz | 100 | - | - |
| Obscure Trivia #6 | 69 | - | - |
| Vitamins and Minerals (Micronutrients) | 1,183 | - | - |
| Drugs that are Painkillers (Analgesic/Anesthetic Medicines) | 943 | - | - |
| Diseases: Virus... or Bacteria? | 38,768 | 0 | - |
| Electronic Symbols of Circuit Diagrams in Engineering by Picture | 928 | - | - |
| Famous "Effects" in Science and Psychology | 759 | - | - |
| Diseases, Disorders, Conditions, or Syndromes Named After People | 515 | - | - |
| Composition of the Universe | 924 | - | - |
| Famous Syndromes (Medical and Otherwise) | 1,442 | - | - |
| Famous Complexes in Psychology | 787 | - | - |
| Colors A-Z | 525 | - | - |
| Counties of England | 798,761 | 0 | - |
| UK Cities Map Quiz | 465,115 | 0 | - |
| Counties of England Map Quiz | 308,135 | 0 | - |
| Pays hôtes des Jeux Olympiques | 137,822 | 0 | - |
| Ontario Premiers | 53 | - | - |
| European Capitals by Airport Code | 36,391 | 0 | - |
| African Capitals by airport code | 637 | - | - |
| North American Capitals by airport code | 697 | - | - |
| Top World Languages | 824,303 | 0 | - |
| All Toronto TTC Bus Routes | 381 | - | - |
| Prime Ministers of the UK | 440,007 | 0 | - |
| U.S. Vice Presidents | 136,460 | 0 | - |
| Deadliest U.S. Wars | 191,057 | 0 | - |
| Dow Jones 30 Companies | 33,143 | 0 | - |
| Books of the Protestant Bible | 210,717 | 0 | - |
| Countries Mentioned in the Bible | 67,224 | 0 | - |
| Genius Level General Knowledge #4 | 17,951 | 0 | - |
| Name the Metal Alloy | 13,857 | 0 | - |
| Natural and Artificial Sweeteners (Food and Nutrition) | 193 | - | - |
| Quotes of Jesus | 13,857 | 0 | - |
| American History Quotes #1 | 96,100 | 0 | - |
| Animal Anatomy Quiz | 59,878 | 0 | - |
| Dinosaur Trivia | 22,139 | 0 | - |
| Comparative Religions Vocabulary | 108 | - | - |
| Philosophy Vocabulary | 580 | - | - |
| Pharmacy - Top 200 Drugs - Name the Generic | 869 | - | - |
| Pharmacy - Antibiotics by Class | 383 | - | - |
| Pharmacy - Antivirals by Mechanism of Action | 15 | - | - |
| Pharmacy - Antifungals by Class | 34 | - | - |
| Name the 20 Amino Acids | 3,965 | - | - |
| Shakespearean Phrases | 36,775 | 0 | - |
| Random General Knowledge - Countries | 88,890 | 0 | - |
| Apple Mac OS X Codenames | 8,400 | 0 | - |
| 50 Largest Cities (according to different sources) Map Quiz | 2,068 | - | - |
| Ancient Greek Words | 111,894 | 0 | - |
| Letters of the Greek Alphabet | 648,799 | 0 | - |
| Denominations of Christianity | 1,454 | - | - |
| U.S. States by Wikipedia Descriptions #2 | 37,132 | 0 | - |
| Stanley Cup Champions | 1,100 | - | - |
| Counties of Ireland | 196,027 | 0 | - |
| States of Mexico | 176,730 | 0 | - |
| Largest Indonesian Islands | 50,124 | 0 | - |
| 100 Rivers on a World Map | 100,779 | 0 | - |
| All 88 constellations by picture | 860 | - | - |
| Who Directed That Movie #3 | 17,986 | 0 | - |
