| Colombia Country Quiz | 0 | - | 4.90 | 40,634 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,716 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,067 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,913 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 20,093 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,343 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,244 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,291 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,304 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,492 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,877 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,617 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,282 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,096 |
| Name a Valid African Country | 0 | - | 4.98 | 153,767 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,935 |
| States of Mexico | 0 | - | 4.95 | 175,509 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,471 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,781 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,669 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,876 |
| States of Brazil | 0 | - | 4.97 | 87,662 |
| Central American Countries | 0 | - | 4.98 | 155,894 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,912 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,196 |
| American History Quotes #1 | 0 | - | 4.37 | 95,959 |
| American History Quotes #2 | 0 | - | 4.38 | 41,372 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,215 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,634 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,293 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,687 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,888 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,128 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,289 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,706 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,976 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,351 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,239 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,050 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,709 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,549 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,769 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,331 |
| History of Mexico | 0 | - | 4.58 | 15,291 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,312 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,559 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,688,210 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,514 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,928 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,392 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,785 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,133 |
| Name that Greek Letter | 0 | - | 4.93 | 323,095 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,125 |
| Name the English Monarchs | 0 | - | 4.91 | 501,501 |
| Prime Ministers of the UK | 0 | - | 4.95 | 437,846 |
| Topological Map of Africa Quiz | 0 | - | 4.80 | 21,341 |
| Which City in Latin America? | 0 | - | 4.63 | 46,983 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,635 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,441 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,512 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,412 |
| Rivers of the United States | 0 | - | 4.93 | 66,074 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,544 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,104 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,973 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,406 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,591 |
| The American Civil War | 0 | - | 4.62 | 52,372 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,478 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 41,916 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,228 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,293 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,467 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,194 |
| The Trojan War | 0 | - | 4.83 | 39,651 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,541 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,419 |
| Roman Emperors | 0 | - | 4.95 | 119,658 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,660 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,146 |
| Geography of Spain | 0 | - | 4.59 | 22,050 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,240 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,471 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,693 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,340 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,103 |
| Belize Country Quiz | 0 | - | 4.85 | 20,933 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,176 |
| Names of Generations | 0 | - | 4.10 | 44,172 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,987 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 425,876 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,096 |
| Hawaiian Islands | 0 | - | 4.83 | 42,651 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,272 |
| U.S. State Flags | 0 | - | 4.89 | 169,732 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,352 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,339 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,848 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,010 |
| Which City in Canada? | 0 | - | 4.82 | 56,943 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,760 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,748 |
| History of Russia Quiz | 0 | - | 4.49 | 31,880 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,593 |
| Ancient Greek Words | 0 | - | 4.93 | 111,355 |
| History of Italy | 0 | - | 4.55 | 31,936 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,320 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,004 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,613 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,166 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,794 |
| The Vietnam War | 0 | - | 4.44 | 35,482 |
| History of India | 0 | - | 4.61 | 21,396 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,938 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,884 |
| History of South Africa | 0 | - | 4.60 | 17,661 |
| Word Chain - Australia | 0 | - | 4.38 | 38,113 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,768 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,702 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,800 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,463 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,063 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,753 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,349 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,154 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,533,816 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,596 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,210 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,868 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,155 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,183 |
| Topological Map of Mainland Europe | 0 | - | 4.39 | 28,778 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,252 |
| History of Austria | 0 | - | 4.70 | 17,835 |
| Geography of the French Empire | 0 | - | 4.45 | 27,025 |
| The French Revolution | 0 | - | 4.46 | 23,903 |
| History of France | 0 | - | 4.59 | 56,836 |
| German Groups of Things | 0 | - | 4.46 | 38,439 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,464 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,455 |
| The Vikings! | 0 | - | 4.46 | 28,319 |
| The Portuguese Empire | 0 | - | 4.58 | 12,047 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,073 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,307 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,303 |
| Geography of the British Empire | 0 | - | 4.48 | 39,631 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,472 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,497 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,224 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,687 |
| History of Iran | 0 | - | 4.66 | 16,340 |
| Geography of Egypt | 0 | - | 4.60 | 21,493 |
| Geography of China | 0 | - | 4.21 | 13,936 |
| History of China | 0 | - | 4.37 | 57,048 |
| Political Movements by Country | 0 | - | 4.46 | 72,466 |
| Inventions by Country #1 | 0 | - | 4.47 | 54,996 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,390 |
| Countries that Beat India | 0 | - | 4.41 | 62,866 |
| Countries of Africa | 0 | - | 5.00 | 2,530,197 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,709 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,617 |
| African East Coast | 0 | - | 4.96 | 95,831 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,614 |
| Countries that Beat South Africa | 0 | - | 4.69 | 42,274 |
| Countries that Beat D.R. Congo | 0 | - | 4.74 | 41,711 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,620 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,034 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,465 |
| Australian Capitals | 0 | - | 4.92 | 62,695 |
| Australia Map Quiz | 0 | - | 4.95 | 343,843 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,852 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,714 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,331 |
| South American Physical Geography | 0 | - | 4.58 | 18,330 |
| Which South American Country? | 0 | - | 4.69 | 51,894 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,410 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,639 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,566 |
| Chile Country Quiz | 0 | - | 4.75 | 39,991 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,817 |
| Peru Country Quiz | 0 | - | 4.54 | 48,582 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,662 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,134 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,427 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,032 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,547 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,018 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,046 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,502 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 625,336 |
| States that Beat Alaska | 0 | - | 4.49 | 26,480 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,882 |
| Fictional Characters from California by Picture | 0 | - | 4.23 | 22,508 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,818 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,193 |
| Fictional Characters from New York | 0 | - | 4.09 | 21,398 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,272 |
| U.S. History A-Z #1 | 0 | - | 4.36 | 29,947 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,089 |
