| Australia... or New Zealand? | 0 | - | 4.83 | 61,046 |
| Regions of New Zealand | 0 | - | 4.85 | 28,127 |
| Australian Capitals | 0 | - | 4.92 | 62,593 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,219 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,784 |
| Australian States and Territories | 0 | - | 4.95 | 140,767 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,015 |
| Australia True or False | 0 | - | 4.87 | 56,499 |
| Flags of Oceania | 0 | - | 5.00 | 255,134 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,910 |
| Australia Country Quiz | 0 | - | 4.43 | 69,274 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,139 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,930 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,406 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,392 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,101 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,009 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,517 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,874 |
| Palau Country Quiz | 0 | - | 4.89 | 22,837 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,292 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,347 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,305 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,254 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,507 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,233 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,417 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,362 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,128 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,486 |
| Name the English Monarchs | 0 | - | 4.92 | 497,834 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,088 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,939 |
| Animals of Australia | 0 | - | 4.52 | 42,148 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,653,621 |
| History of Russia Quiz | 0 | - | 4.49 | 31,789 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,808 |
| Name that Greek Letter | 0 | - | 4.94 | 321,633 |
| History of Italy | 0 | - | 4.55 | 31,813 |
| 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 | 59,383 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,584 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,849 |
| The Trojan War | 0 | - | 4.83 | 39,425 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,519 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,040 |
| Roman Emperors | 0 | - | 4.95 | 118,461 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,139 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,860 |
| New Zealand Country Quiz | 0 | - | 4.68 | 75,463 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,706 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,573 |
| Official European Union Languages | 0 | - | 4.97 | 236,502 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,694 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,169 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,027 |
| 101 Figures from Greek Mythology | 0 | - | 5.00 | 124,276 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,231 |
| Asia Map Quiz | 0 | - | 4.99 | 906,918 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,911 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,156 |
| Countries by Founding Story | 0 | - | 4.95 | 76,521 |
| Independence from Whom | 0 | - | 4.99 | 209,655 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,723 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,988 |
| History of India | 0 | - | 4.61 | 21,282 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,802 |
| African East Coast | 0 | - | 4.96 | 95,037 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,912 |
| History of South Africa | 0 | - | 4.60 | 17,600 |
| Word Chain - Australia | 0 | - | 4.37 | 38,014 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,666 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,113 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,199 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,956 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,534 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,525 |
| The Only European Country ... | 0 | - | 4.91 | 213,791 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,511 |
| History of Austria | 0 | - | 4.70 | 17,746 |
| Geography of the French Empire | 0 | - | 4.48 | 26,927 |
| The French Revolution | 0 | - | 4.46 | 23,782 |
| History of France | 0 | - | 4.59 | 56,025 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,383 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,452 |
| Ancient Greek Words | 0 | - | 4.92 | 110,685 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,614 |
| The Vikings! | 0 | - | 4.45 | 28,244 |
| The Portuguese Empire | 0 | - | 4.54 | 11,990 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,563 |
| 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 | 39,469 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,450 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,491 |
| History of Iran | 0 | - | 4.65 | 16,272 |
| History of China | 0 | - | 4.37 | 56,686 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,478 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,135 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,823 |
| Recently Independent Countries | 0 | - | 4.98 | 157,976 |
| Historical City to Country | 0 | - | 4.84 | 78,122 |
| Countries by Former Name | 0 | - | 4.99 | 124,270 |
| Cities by Former Name | 0 | - | 4.84 | 90,959 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,167 |
| Countries of Africa | 0 | - | 5.00 | 2,507,453 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,977 |
| Marshall Islands Country Quiz | 0 | - | 4.61 | 20,521 |
| Fiji Country Quiz | 0 | - | 4.78 | 24,087 |
| Kiribati Country Quiz | 0 | - | 4.70 | 18,913 |
| Federated States of Micronesia Country Quiz | 0 | - | 4.63 | 21,512 |
| Australia Map Quiz | 0 | - | 4.94 | 342,449 |
| AFL Teams | 0 | - | 4.40 | 39,739 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,675 |
| Vanuatu Country Quiz | 0 | - | 4.59 | 22,728 |
| Solomon Islands Country Quiz | 0 | - | 4.56 | 18,938 |
| Nauru Country Quiz | 0 | - | 4.53 | 23,168 |
| Papua New Guinea Country Quiz | 0 | - | 4.60 | 30,493 |
| Samoa Country Quiz | 0 | - | 4.80 | 20,645 |
| History of Mexico | 0 | - | 4.58 | 15,230 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,504 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,521 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,816 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,663 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,036 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,288 |
| Celtic Nations | 0 | - | 4.69 | 46,810 |
| Austria... or Australia? | 0 | - | 4.68 | 103,859 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,769 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,767 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,943 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,487 |
| History of The Netherlands | 0 | - | 4.46 | 17,310 |
| Medieval English History | 0 | - | 4.53 | 43,314 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,836 |
| Ottoman Empire Quiz | 0 | - | 4.42 | 17,024 |
| Chinese Inventions | 0 | - | 4.30 | 33,718 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,431 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,232 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,605 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,554 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,249 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,500 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,085 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,422 |
| African Island Countries | 0 | - | 4.96 | 100,779 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,629 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,686 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,632 |
| Famous Australians by Description | 0 | - | 4.23 | 27,580 |
| Australian Slang | 0 | - | 4.25 | 28,471 |
| Flags of North and South America | 0 | - | 4.99 | 367,085 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,147 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,154 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,212 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,109 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,503 |
| North America Map Quiz | 0 | - | 4.98 | 244,392 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,374 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 32,992 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,474 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,840 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,891 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,605 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,495 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,090 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 67,435 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,238 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,396 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,653 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,703 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,274 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,289 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,458 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,840 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,800 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,851 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,391 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,244 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,182 |
| Slavic Countries | 0 | - | 4.96 | 110,846 |
| French History Multiple Choice | 0 | - | 4.55 | 32,875 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,046 |
| History of Germany | 0 | - | 4.39 | 52,613 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,890 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,428 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,920 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,530 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,662 |
| Roman Names for Places | 0 | - | 4.62 | 57,869 |
| Byzantine History | 0 | - | 4.91 | 28,615 |
| History of Spain | 0 | - | 4.29 | 21,000 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,021 |
| Counties of England | 0 | - | 4.97 | 789,087 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,686 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,073 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,290 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,951 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,830 |
