| Brazil States Map Quiz | 0 | - | 4.85 | 47,380 |
| States of Brazil | 0 | - | 4.98 | 86,376 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,512 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,063 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,279 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,588 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,456 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,884 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,128 |
| Countries that Beat Brazil | 0 | - | 4.49 | 67,873 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,973 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,673 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,215 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,766 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,878 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,997 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,088 |
| Name a Valid African Country | 0 | - | 4.98 | 152,927 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,331 |
| States of Mexico | 0 | - | 4.95 | 173,322 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,782 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,146 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,953 |
| Central American Countries | 0 | - | 4.98 | 155,024 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,865 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,140 |
| American History Quotes #1 | 0 | - | 4.37 | 95,685 |
| American History Quotes #2 | 0 | - | 4.38 | 41,223 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,075 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,503 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,190 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,149 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,932 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,408 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,396 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,103 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,746 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,235 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,517 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,258 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,353 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,709 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,553 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,044 |
| History of Mexico | 0 | - | 4.58 | 15,230 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,190 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,470 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,081 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,365 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,311 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,653,798 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,238 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,475 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,141 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,962 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,824 |
| Name that Greek Letter | 0 | - | 4.94 | 321,638 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,021 |
| Name the English Monarchs | 0 | - | 4.92 | 497,841 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,590 |
| Topological Map of Africa Quiz | 0 | - | 4.80 | 21,136 |
| Which City in Latin America? | 0 | - | 4.63 | 46,838 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,209 |
| Rivers of the United States | 0 | - | 4.93 | 65,506 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,559 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,306 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,436 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,239 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,497 |
| The American Civil War | 0 | - | 4.62 | 52,155 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,781 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 41,756 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,568 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,844 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,881 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,093 |
| The Trojan War | 0 | - | 4.83 | 39,425 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,522 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,041 |
| Roman Emperors | 0 | - | 4.95 | 118,467 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,341 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,668 |
| Geography of Spain | 0 | - | 4.59 | 21,961 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,195 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,100 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,177 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,940 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,860 |
| Belize Country Quiz | 0 | - | 4.85 | 20,802 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,051 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,403 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,690 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,524 |
| Hawaiian Islands | 0 | - | 4.83 | 42,426 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,086 |
| U.S. State Flags | 0 | - | 4.89 | 167,045 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,417 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,519 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,489 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,646 |
| Which City in Canada? | 0 | - | 4.83 | 56,651 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,313 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,030 |
| History of Russia Quiz | 0 | - | 4.49 | 31,789 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,049 |
| Ancient Greek Words | 0 | - | 4.92 | 110,685 |
| History of Italy | 0 | - | 4.55 | 31,813 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,499 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,614 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,479 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,979 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,384 |
| The Vietnam War | 0 | - | 4.43 | 35,292 |
| History of India | 0 | - | 4.61 | 21,282 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,803 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,513 |
| History of South Africa | 0 | - | 4.60 | 17,601 |
| Word Chain - Australia | 0 | - | 4.37 | 38,014 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,754 |
| Mexican Foods | 0 | - | 4.07 | 14,609 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,322 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,669 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,261 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 28,879 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,669 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,820 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,663 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,518,336 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,938 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,987 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,611 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,941 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,980 |
| Topological Map of Mainland Europe | 0 | - | 4.39 | 28,565 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,437 |
| History of Austria | 0 | - | 4.70 | 17,746 |
| Geography of the French Empire | 0 | - | 4.48 | 26,928 |
| The French Revolution | 0 | - | 4.46 | 23,782 |
| History of France | 0 | - | 4.59 | 56,028 |
| German Groups of Things | 0 | - | 4.46 | 38,306 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,383 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,923 |
| The Vikings! | 0 | - | 4.45 | 28,244 |
| The Portuguese Empire | 0 | - | 4.54 | 11,990 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,945 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,173 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,765 |
| Geography of the British Empire | 0 | - | 4.48 | 39,470 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,326 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,320 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,147 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,091 |
| History of Iran | 0 | - | 4.65 | 16,272 |
| Geography of Egypt | 0 | - | 4.60 | 21,411 |
| Geography of China | 0 | - | 4.21 | 13,873 |
| History of China | 0 | - | 4.37 | 56,686 |
| Political Movements by Country | 0 | - | 4.46 | 72,257 |
| Inventions by Country #1 | 0 | - | 4.46 | 54,883 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,169 |
| Countries that Beat India | 0 | - | 4.41 | 62,584 |
| Countries of Africa | 0 | - | 5.00 | 2,507,554 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,171 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,803 |
| African East Coast | 0 | - | 4.96 | 95,039 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,914 |
| Countries that Beat South Africa | 0 | - | 4.69 | 42,059 |
| Countries that Beat D.R. Congo | 0 | - | 4.74 | 41,507 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,250 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,977 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,784 |
| Australian Capitals | 0 | - | 4.92 | 62,593 |
| Australia Map Quiz | 0 | - | 4.94 | 342,451 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,675 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,612 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,971 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,314 |
| South American Physical Geography | 0 | - | 4.58 | 18,269 |
| Which South American Country? | 0 | - | 4.69 | 51,721 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,079 |
| Chile Country Quiz | 0 | - | 4.75 | 39,719 |
| Peru Country Quiz | 0 | - | 4.54 | 48,299 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,901 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,156 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,858 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,339 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,623 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,709 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,375 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 618,368 |
| States that Beat Alaska | 0 | - | 4.49 | 26,383 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,637 |
| Fictional Characters from California by Picture | 0 | - | 4.23 | 22,472 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,626 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,043 |
| Fictional Characters from New York | 0 | - | 4.07 | 21,374 |
| Six Flags Over Texas | 0 | - | 4.79 | 63,007 |
| U.S. History A-Z #1 | 0 | - | 4.39 | 29,327 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 32,992 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,380,176 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,664,484 |
