| Regions of New Zealand | 0 | - | 4.85 | 28,100 |
| Australian Capitals | 0 | - | 4.92 | 62,585 |
| Australia True or False | 0 | - | 4.87 | 56,467 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,877 |
| Australia Country Quiz | 0 | - | 4.43 | 69,235 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,009 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,336 |
| Australian Slang | 0 | - | 4.25 | 28,452 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,925 |
| Europe Map Quiz | 0 | - | 5.00 | 4,727,413 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,803 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,470 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,669 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,522 |
| Official European Union Languages | 0 | - | 4.97 | 236,348 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,602 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,855 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,437,649 |
| Asia Map Quiz | 0 | - | 4.99 | 905,783 |
| Elemental Words | 0 | - | 4.96 | 51,929 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 703,978 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,716 |
| African East Coast | 0 | - | 4.96 | 94,929 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,797 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,720 |
| Word Chain - Australia | 0 | - | 4.37 | 38,000 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,834 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,157 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,736 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,483 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,334 |
| The Only European Country ... | 0 | - | 4.91 | 213,498 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,322 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,528 |
| American to British Word Translation | 0 | - | 4.06 | 117,008 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,301 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,103 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 85,917 |
| Countries of Africa | 0 | - | 5.00 | 2,504,418 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,967 |
| Australia Map Quiz | 0 | - | 4.94 | 342,228 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,678 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,508 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,068 |
| Celtic Nations | 0 | - | 4.69 | 46,796 |
| British Spellings | 0 | - | 4.07 | 99,183 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,738 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,586 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,245 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,240 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,477 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,465 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,147 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,422 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,919 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,257 |
| African Island Countries | 0 | - | 4.96 | 100,662 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,451 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,628 |
| Australian States and Territories | 0 | - | 4.95 | 140,550 |
| Famous Australians by Description | 0 | - | 4.23 | 27,436 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,988 |
| Flags of North and South America | 0 | - | 4.99 | 365,547 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,109 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,074 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,939 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,281 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,455 |
| North America Map Quiz | 0 | - | 4.98 | 243,995 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,341 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,298 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,324 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,538 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,455 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,225 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,111 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,594 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,582 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,193 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,038 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,404 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,779 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,564 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,539 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,142 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,063 |
| Slavic Countries | 0 | - | 4.96 | 110,770 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,010 |
| British to American Word Translation | 0 | - | 3.74 | 253,274 |
| British Foods by Description | 0 | - | 3.94 | 48,222 |
| British and American Word Differences | 0 | - | 2.67 | 45,902 |
| Counties of England | 0 | - | 4.97 | 788,343 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,521 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,264 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,674 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,322 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,132 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,588 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,360 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 70,590 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,603 |
| Countries of the Middle East | 0 | - | 4.96 | 198,704 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,216 |
| Japanese Loanwords | 0 | - | 4.47 | 84,321 |
| States of India | 0 | - | 4.94 | 189,688 |
| 10 African Countries with the Most Tourists | 0 | - | 4.38 | 60,099 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,971 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,201 |
| The Only African Country ... | 0 | - | 4.99 | 128,261 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,734 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,956 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,190 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,014 |
| Flags of Oceania | 0 | - | 5.00 | 254,632 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,303 |
| The Only American Country ... | 0 | - | 4.92 | 120,661 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,262 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,327 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,487 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,855 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,819 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,787 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,839 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,160 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,754 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,778 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 72,967 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,434 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,295 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,265 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,959 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,214 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,651 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,113 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,097 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,648 |
| Monarchies of Europe | 0 | - | 4.90 | 97,207 |
| European Countries with One Border | 0 | - | 4.97 | 181,456 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,970 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,772 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,608 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,099 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,003 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,562 |
| States of Germany | 0 | - | 4.96 | 149,779 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,910 |
| Regions of Italy | 0 | - | 4.92 | 74,598 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,735 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,137 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,053 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,894 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,840 |
| Counties of England Map Quiz | 0 | - | 4.97 | 305,953 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,392 |
| Champions League Winners | 0 | - | 4.92 | 995,073 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,929 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,926 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,250 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,541 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,287 |
| Monarchies of Asia | 0 | - | 4.97 | 70,540 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,379 |
| Provinces of Turkey | 0 | - | 4.95 | 199,921 |
| Provinces of China | 0 | - | 4.97 | 199,706 |
| Japanese Prefectures | 0 | - | 4.98 | 134,282 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,078 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 61,694 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,124 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,710 |
| States of India Map Quiz | 0 | - | 4.82 | 25,986 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,707 |
| African Great Lakes | 0 | - | 4.82 | 65,042 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,784 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,292 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,451 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,789 |
| Morocco Country Quiz | 0 | - | 4.81 | 45,978 |
| Palau Country Quiz | 0 | - | 4.89 | 22,816 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,170 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,422 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,118 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,276 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,331 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 48,993 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,002 |
| States of Mexico | 0 | - | 4.95 | 173,023 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,671 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,045 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,768 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,316 |
| States of Brazil | 0 | - | 4.98 | 86,217 |
| Central American Countries | 0 | - | 4.98 | 154,916 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,568 |
| Name the U.S. National Parks | 0 | - | 4.85 | 57,507 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,516 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,023 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,962 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,478 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,532 |
| US States Quiz | 0 | - | 5.00 | 16,679,278 |