| Australia... or New Zealand? | 0 | - | 4.83 | 61,020 |
| Regions of New Zealand | 0 | - | 4.85 | 28,106 |
| Australian Capitals | 0 | - | 4.92 | 62,586 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,663 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,727 |
| Australian States and Territories | 0 | - | 4.95 | 140,574 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,993 |
| Australia True or False | 0 | - | 4.87 | 56,472 |
| Flags of Oceania | 0 | - | 5.00 | 254,775 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,883 |
| Australia Country Quiz | 0 | - | 4.43 | 69,247 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,105 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,816 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,318 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,273 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,012 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 55,932 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,493 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,739 |
| Palau Country Quiz | 0 | - | 4.89 | 22,819 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,278 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,333 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,101 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,148 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,376 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,155 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,131 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,301 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,085 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,429 |
| Name the English Monarchs | 0 | - | 4.92 | 497,520 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,982 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,900 |
| Animals of Australia | 0 | - | 4.52 | 42,137 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,649,985 |
| History of Russia Quiz | 0 | - | 4.49 | 31,775 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,367 |
| Name that Greek Letter | 0 | - | 4.94 | 321,474 |
| History of Italy | 0 | - | 4.55 | 31,801 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,467 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,965 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,361 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,231 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,370 |
| The Trojan War | 0 | - | 4.83 | 39,400 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,397 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,990 |
| Roman Emperors | 0 | - | 4.95 | 118,340 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,100 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,839 |
| New Zealand Country Quiz | 0 | - | 4.68 | 75,429 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,682 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,539 |
| Official European Union Languages | 0 | - | 4.97 | 236,392 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,618 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,929 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,159 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,125 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,455 |
| Asia Map Quiz | 0 | - | 4.99 | 906,136 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,622 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,104 |
| Countries by Founding Story | 0 | - | 4.95 | 76,465 |
| Independence from Whom | 0 | - | 4.99 | 209,529 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,614 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,947 |
| History of India | 0 | - | 4.61 | 21,268 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,750 |
| African East Coast | 0 | - | 4.96 | 94,954 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,835 |
| History of South Africa | 0 | - | 4.60 | 17,592 |
| Word Chain - Australia | 0 | - | 4.37 | 38,004 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,387 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,907 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,162 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,790 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,492 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,382 |
| The Only European Country ... | 0 | - | 4.91 | 213,566 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,364 |
| History of Austria | 0 | - | 4.70 | 17,739 |
| Geography of the French Empire | 0 | - | 4.48 | 26,917 |
| The French Revolution | 0 | - | 4.46 | 23,756 |
| History of France | 0 | - | 4.59 | 55,918 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,374 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,362 |
| Ancient Greek Words | 0 | - | 4.92 | 110,586 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,568 |
| The Vikings! | 0 | - | 4.45 | 28,236 |
| The Portuguese Empire | 0 | - | 4.54 | 11,983 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,535 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,157 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,717 |
| Geography of the British Empire | 0 | - | 4.48 | 39,464 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,351 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.18 | 15,483 |
| History of Iran | 0 | - | 4.65 | 16,260 |
| History of China | 0 | - | 4.37 | 56,655 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,359 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 192,961 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,644 |
| Recently Independent Countries | 0 | - | 4.98 | 157,895 |
| Historical City to Country | 0 | - | 4.84 | 78,092 |
| Countries by Former Name | 0 | - | 4.99 | 124,182 |
| Cities by Former Name | 0 | - | 4.84 | 90,889 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,141 |
| Countries of Africa | 0 | - | 5.00 | 2,505,312 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,970 |
| Marshall Islands Country Quiz | 0 | - | 4.61 | 20,502 |
| Fiji Country Quiz | 0 | - | 4.78 | 24,074 |
| Kiribati Country Quiz | 0 | - | 4.70 | 18,896 |
| Federated States of Micronesia Country Quiz | 0 | - | 4.63 | 21,499 |
| Australia Map Quiz | 0 | - | 4.94 | 342,278 |
| AFL Teams | 0 | - | 4.40 | 39,688 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,649 |
| Vanuatu Country Quiz | 0 | - | 4.59 | 22,707 |
| Solomon Islands Country Quiz | 0 | - | 4.56 | 18,916 |
| Nauru Country Quiz | 0 | - | 4.53 | 23,154 |
| Papua New Guinea Country Quiz | 0 | - | 4.60 | 30,481 |
| Samoa Country Quiz | 0 | - | 4.80 | 20,633 |
| History of Mexico | 0 | - | 4.58 | 15,223 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,156 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,397 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,658 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,622 |
| Canadian Prime Ministers | 0 | - | 4.63 | 56,982 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,130 |
| Celtic Nations | 0 | - | 4.69 | 46,800 |
| Austria... or Australia? | 0 | - | 4.68 | 103,823 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,744 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,756 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,918 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,211 |
| History of The Netherlands | 0 | - | 4.46 | 17,299 |
| Medieval English History | 0 | - | 4.53 | 43,295 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,167 |
| Ottoman Empire Quiz | 0 | - | 4.46 | 17,004 |
| Chinese Inventions | 0 | - | 4.30 | 33,713 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,383 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,513 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,515 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,488 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,177 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,445 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,961 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,296 |
| African Island Countries | 0 | - | 4.96 | 100,691 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,501 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,615 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,629 |
| Famous Australians by Description | 0 | - | 4.23 | 27,475 |
| Australian Slang | 0 | - | 4.25 | 28,455 |
| Flags of North and South America | 0 | - | 4.99 | 366,052 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,121 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,101 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,981 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,537 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,736 |
| North America Map Quiz | 0 | - | 4.98 | 244,101 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,349 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 32,981 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,420 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,451 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,506 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,560 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,465 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,080 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 67,369 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,227 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,727 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,785 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,614 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,218 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,107 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,418 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,796 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,605 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,602 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,208 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,179 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,091 |
| Slavic Countries | 0 | - | 4.96 | 110,790 |
| French History Multiple Choice | 0 | - | 4.55 | 32,860 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,020 |
| History of Germany | 0 | - | 4.39 | 52,595 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,811 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,409 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,734 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,516 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,648 |
| Roman Names for Places | 0 | - | 4.62 | 57,834 |
| Byzantine History | 0 | - | 4.91 | 28,591 |
| History of Spain | 0 | - | 4.29 | 20,992 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,004 |
| Counties of England | 0 | - | 4.97 | 788,538 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,685 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,068 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,261 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,937 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,817 |
