| Australian Capitals | 0 | - | 4.92 | 62,589 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,031 |
| Australia True or False | 0 | - | 4.87 | 56,487 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,890 |
| Australia Country Quiz | 0 | - | 4.43 | 69,254 |
| Regions of New Zealand | 0 | - | 4.85 | 28,111 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,181 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,425 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,037 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,553 |
| Official European Union Languages | 0 | - | 4.97 | 236,440 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,649 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,415 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,552 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,909 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,690 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,012 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,207 |
| Asia Map Quiz | 0 | - | 4.99 | 906,511 |
| Word Chain - Australia | 0 | - | 4.37 | 38,008 |
| Countries of Africa | 0 | - | 5.00 | 2,506,149 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,767 |
| African East Coast | 0 | - | 4.96 | 94,985 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,876 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,750 |
| Australia Map Quiz | 0 | - | 4.94 | 342,358 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,996 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,173 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,858 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,199 |
| Celtic Nations | 0 | - | 4.69 | 46,804 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,512 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,441 |
| The Only European Country ... | 0 | - | 4.91 | 213,659 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,429 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,547 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,400 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,509 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,412 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,554 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,520 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,200 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,464 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,008 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,336 |
| African Island Countries | 0 | - | 4.96 | 100,724 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,556 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,631 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,973 |
| Australian States and Territories | 0 | - | 4.95 | 140,601 |
| Famous Australians by Description | 0 | - | 4.23 | 27,516 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,999 |
| Australian Slang | 0 | - | 4.25 | 28,463 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,129 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,124 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,092 |
| North America Map Quiz | 0 | - | 4.98 | 244,227 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,365 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,728 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,579 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,474 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,230 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,651 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,247 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,185 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,430 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,816 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,683 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,720 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,260 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,202 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,148 |
| Slavic Countries | 0 | - | 4.96 | 110,810 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,030 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,314 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,715 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,360 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,187 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,647 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,424 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,638 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,703 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,091 |
| Countries of the Middle East | 0 | - | 4.96 | 198,807 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,231 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,805 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,127 |
| Flags of North and South America | 0 | - | 4.99 | 366,524 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,771 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,094 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,603 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,698 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,430 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,265 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,119 |
| Counties of England | 0 | - | 4.97 | 788,762 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,047 |
| States of India | 0 | - | 4.94 | 189,869 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,988 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,225 |
| The Only African Country ... | 0 | - | 4.99 | 128,313 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,754 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,024 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,250 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,057 |
| Flags of Oceania | 0 | - | 5.00 | 254,910 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,373 |
| The Only American Country ... | 0 | - | 4.92 | 120,708 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,300 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,341 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,652 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,909 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,858 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,867 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,910 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,259 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,820 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,015 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,465 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,332 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,294 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,995 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,296 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,777 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,169 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,740 |
| Monarchies of Europe | 0 | - | 4.90 | 97,265 |
| European Countries with One Border | 0 | - | 4.97 | 181,542 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,318 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,857 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,822 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,139 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,055 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,632 |
| States of Germany | 0 | - | 4.96 | 149,909 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,977 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,503 |
| Regions of Italy | 0 | - | 4.92 | 74,645 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,774 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,218 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,088 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,028 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,872 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,016 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,399 |
| Champions League Winners | 0 | - | 4.92 | 995,727 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,965 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,979 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,299 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,674 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,352 |
| Monarchies of Asia | 0 | - | 4.97 | 70,567 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,412 |
| Provinces of Turkey | 0 | - | 4.95 | 200,755 |
| Provinces of China | 0 | - | 4.97 | 199,916 |
| Japanese Prefectures | 0 | - | 4.98 | 134,435 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,167 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,788 |
| States of India Map Quiz | 0 | - | 4.82 | 26,003 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,747 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,305 |
| African Great Lakes | 0 | - | 4.82 | 65,086 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,824 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,329 |
| Name a Valid African Country | 0 | - | 4.98 | 152,879 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,470 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,802 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,017 |
| Palau Country Quiz | 0 | - | 4.89 | 22,823 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,189 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,453 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,162 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,287 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,337 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,005 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,039 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,867 |
| States of Mexico | 0 | - | 4.95 | 173,215 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,733 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,104 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,891 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,360 |
| States of Brazil | 0 | - | 4.98 | 86,298 |
| Central American Countries | 0 | - | 4.98 | 154,967 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,768 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,631 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,602 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,092 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,502 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,503 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,578 |
| US States Quiz | 0 | - | 5.00 | 16,690,029 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,167 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,077 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,455 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,439 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,437 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,201 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,077 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,596 |
