| Australia... or New Zealand? | 0 | - | 4.83 | 61,941 |
| Regions of New Zealand | 0 | - | 4.84 | 28,693 |
| Australian Capitals | 0 | - | 4.92 | 62,817 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,590 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,186 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,365 |
| Australian States and Territories | 0 | - | 4.96 | 142,740 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,471 |
| Australia True or False | 0 | - | 4.87 | 57,103 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,389 |
| Flags of Oceania | 0 | - | 5.00 | 262,225 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,647 |
| Australia Country Quiz | 0 | - | 4.43 | 69,800 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,719 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,201 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,063 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,634 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,722 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,477 |
| Palau Country Quiz | 0 | - | 4.90 | 23,131 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,536 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,933 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,608 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,146 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,606 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,415 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,661 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,258 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,574 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,322 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,801 |
| Name the English Monarchs | 0 | - | 4.91 | 505,877 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,486 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.81 | 55,130 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,183 |
| Animals of Australia | 0 | - | 4.52 | 42,461 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,722,071 |
| History of Russia Quiz | 0 | - | 4.47 | 31,994 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,224 |
| Name that Greek Letter | 0 | - | 4.93 | 324,818 |
| History of Italy | 0 | - | 4.55 | 32,128 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,799 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,408 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,066 |
| Prime Ministers of the UK | 0 | - | 4.95 | 441,852 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,714 |
| Europe Map Quiz | 0 | - | 5.00 | 4,783,884 |
| The Trojan War | 0 | - | 4.83 | 39,950 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,805 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,542 |
| Roman Emperors | 0 | - | 4.95 | 121,058 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,365 |
| AFL Teams | 0 | - | 4.42 | 40,788 |
| New Zealand Country Quiz | 0 | - | 4.70 | 76,255 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,243 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,643 |
| Official European Union Languages | 0 | - | 4.97 | 239,606 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,543 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,519 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,357 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,310 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,588 |
| Asia Map Quiz | 0 | - | 4.99 | 924,085 |
| Africa Map Quiz | 0 | - | 5.00 | 2,127,244 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,999 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,081 |
| Countries by Founding Story | 0 | - | 4.95 | 77,721 |
| Independence from Whom | 0 | - | 4.99 | 212,868 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,296 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,789 |
| History of South Africa | 0 | - | 4.60 | 17,752 |
| Word Chain - Australia | 0 | - | 4.38 | 38,229 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,221 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,680 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,877 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,519 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,266 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,907 |
| The Only European Country ... | 0 | - | 4.91 | 218,655 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,341 |
| History of Austria | 0 | - | 4.70 | 17,965 |
| Geography of the French Empire | 0 | - | 4.45 | 27,202 |
| The French Revolution | 0 | - | 4.47 | 24,130 |
| History of France | 0 | - | 4.61 | 57,538 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,551 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 75,155 |
| Ancient Greek Words | 0 | - | 4.93 | 112,343 |
| Ancient Rome - True or False? | 0 | - | 4.85 | 43,259 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,469 |
| The Vikings! | 0 | - | 4.46 | 28,398 |
| The Portuguese Empire | 0 | - | 4.58 | 12,097 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,027 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,446 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,173 |
| Geography of the British Empire | 0 | - | 4.48 | 39,830 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,816 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,605 |
| History of Iran | 0 | - | 4.66 | 16,413 |
| History of China | 0 | - | 4.35 | 57,515 |
| History of India | 0 | - | 4.62 | 21,500 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,726 |
| African East Coast | 0 | - | 4.96 | 96,658 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,499 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,821 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,546 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,979 |
| Recently Independent Countries | 0 | - | 4.98 | 159,877 |
| Historical City to Country | 0 | - | 4.85 | 78,954 |
| Countries by Former Name | 0 | - | 4.99 | 125,718 |
| Cities by Former Name | 0 | - | 4.83 | 91,979 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,127 |
| Marshall Islands Country Quiz | 0 | - | 4.62 | 20,791 |
| Fiji Country Quiz | 0 | - | 4.78 | 24,405 |
| Kiribati Country Quiz | 0 | - | 4.70 | 19,132 |
| Federated States of Micronesia Country Quiz | 0 | - | 4.63 | 21,783 |
| Australia Map Quiz | 0 | - | 4.95 | 345,977 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,172 |
| Vanuatu Country Quiz | 0 | - | 4.59 | 23,020 |
| Solomon Islands Country Quiz | 0 | - | 4.56 | 19,157 |
| Nauru Country Quiz | 0 | - | 4.53 | 23,440 |
| Papua New Guinea Country Quiz | 0 | - | 4.60 | 30,825 |
| History of Mexico | 0 | - | 4.52 | 15,358 |
| United States Map Quiz | 0 | - | 4.98 | 4,169,473 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,378 |
| Name a Valid U.S. President #1 | 0 | - | 4.90 | 193,587 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,803 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,866 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,979 |
| Celtic Nations | 0 | - | 4.61 | 47,079 |
| Austria... or Australia? | 0 | - | 4.68 | 104,724 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,202 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,023 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,606 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,430 |
| History of The Netherlands | 0 | - | 4.46 | 17,539 |
| Medieval English History | 0 | - | 4.53 | 43,633 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,730 |
| Chinese Inventions | 0 | - | 4.30 | 33,853 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,629 |
| Countries of Africa | 0 | - | 5.00 | 2,555,920 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,721 |
| Famous Australians by Description | 0 | - | 4.23 | 28,118 |
| Australian Slang | 0 | - | 4.24 | 28,711 |
| Flags of North and South America | 0 | - | 4.99 | 376,360 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,912 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,709 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,524 |
| South America Map Quiz | 0 | - | 5.00 | 1,555,373 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,738 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,105 |
| North America Map Quiz | 0 | - | 4.98 | 251,241 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,947 |
| Events in U.S. History | 0 | - | 4.41 | 28,798 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,183 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,367 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,664 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,058 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,505 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,132 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,319 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,924 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,488 |
| Sahel Countries on a Map | 0 | - | 4.99 | 21,469 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,255,680 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,546 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,388 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,934 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,481 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,690 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,949 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,441 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,334 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,217 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,056 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,699 |
| Slavic Countries | 0 | - | 4.96 | 112,277 |
| French History Multiple Choice | 0 | - | 4.55 | 33,202 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,668 |
| History of Germany | 0 | - | 4.39 | 52,964 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,225 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,813 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,941 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,599 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 44,224 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,182 |
| Roman Names for Places | 0 | - | 4.62 | 58,657 |
| Byzantine History | 0 | - | 4.91 | 29,007 |
| Byzantine Emperors | 0 | - | 4.93 | 14,547 |
| History of Spain | 0 | - | 4.23 | 21,155 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,298 |
| Counties of England | 0 | - | 4.97 | 802,037 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,815 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,934 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,233 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,912 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,289 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,065 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,860 |
| Flags of Asia Quiz | 0 | - | 4.99 | 619,087 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,700 |