| Australian Capitals | 0 | - | 4.92 | 62,700 |
| Australia True or False | 0 | - | 4.87 | 56,786 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,267 |
| Australia Country Quiz | 0 | - | 4.43 | 69,534 |
| Regions of New Zealand | 0 | - | 4.85 | 28,463 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,475 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,941 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,938 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,757 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,021 |
| Official European Union Languages | 0 | - | 4.97 | 238,197 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,653 |
| Europe Map Quiz | 0 | - | 5.00 | 4,756,749 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,181 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,851 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,969 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,635 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,978 |
| Asia Map Quiz | 0 | - | 4.99 | 914,892 |
| Word Chain - Australia | 0 | - | 4.38 | 38,122 |
| Countries of Africa | 0 | - | 5.00 | 2,531,181 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,652 |
| African East Coast | 0 | - | 4.96 | 95,864 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,663 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,506 |
| Australia Map Quiz | 0 | - | 4.95 | 343,895 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,836 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,593 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,615 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,044 |
| Celtic Nations | 0 | - | 4.69 | 46,910 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,903 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,900 |
| The Only European Country ... | 0 | - | 4.91 | 216,079 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,824 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,770 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,701 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,512 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,894 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,718 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,426 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,049 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,115 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,238 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,747 |
| African Island Countries | 0 | - | 4.96 | 101,467 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,115 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,674 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,038 |
| Australian States and Territories | 0 | - | 4.96 | 141,722 |
| Famous Australians by Description | 0 | - | 4.23 | 27,884 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,237 |
| Australian Slang | 0 | - | 4.24 | 28,599 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,528 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,111 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,419 |
| North America Map Quiz | 0 | - | 4.98 | 247,840 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,667 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,540 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,057 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,808 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,367 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,467 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,013 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,246 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,017 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,275 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,042 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,814 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,843 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,047 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,788 |
| Slavic Countries | 0 | - | 4.96 | 111,516 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,298 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,894 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,110 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,568 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,998 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,844 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,690 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,316 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,295 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,057 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,777 |
| Countries of the Middle East | 0 | - | 4.96 | 200,818 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,451 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,565 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,547 |
| Flags of North and South America | 0 | - | 4.99 | 372,132 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,674 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,952 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,552 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,340 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,649 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,650 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,415 |
| Counties of England | 0 | - | 4.97 | 795,134 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,709 |
| States of India | 0 | - | 4.94 | 192,728 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,297 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,680 |
| The Only African Country ... | 0 | - | 4.98 | 128,972 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,071 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,698 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,705 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,031 |
| Flags of Oceania | 0 | - | 5.00 | 258,317 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,211 |
| The Only American Country ... | 0 | - | 4.92 | 121,429 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,965 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,525 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,602 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,741 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,566 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,907 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,376 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,215 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,355 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,773 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,832 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,958 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,707 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,292 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,979 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,946 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,538 |
| Monarchies of Europe | 0 | - | 4.90 | 97,986 |
| European Countries with One Border | 0 | - | 4.97 | 182,548 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,358 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,931 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,518 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,761 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,211 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,580 |
| States of Germany | 0 | - | 4.96 | 152,025 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,913 |
| Regions of Italy | 0 | - | 4.92 | 75,628 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,963 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,698 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,045 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,085 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,843 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,076 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,664 |
| Champions League Winners | 0 | - | 4.92 | 1,004,346 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,421 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,807 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,091 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,393 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,029 |
| Monarchies of Asia | 0 | - | 4.97 | 70,998 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,789 |
| Provinces of Turkey | 0 | - | 4.95 | 203,739 |
| Provinces of China | 0 | - | 4.97 | 203,644 |
| Japanese Prefectures | 0 | - | 4.98 | 136,513 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,730 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,645 |
| States of India Map Quiz | 0 | - | 4.83 | 26,421 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,142 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,668 |
| African Great Lakes | 0 | - | 4.82 | 66,069 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,484 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,416 |
| Name a Valid African Country | 0 | - | 4.98 | 153,829 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,734 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,022 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,409 |
| Palau Country Quiz | 0 | - | 4.90 | 22,976 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,521 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,971 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,801 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,422 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,497 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,207 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,989 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,360 |
| States of Mexico | 0 | - | 4.95 | 175,608 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,542 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,794 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,697 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,906 |
| States of Brazil | 0 | - | 4.97 | 87,708 |
| Central American Countries | 0 | - | 4.98 | 155,924 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,984 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,821 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,360 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,225 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,341 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,816 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,107 |
| US States Quiz | 0 | - | 5.00 | 16,838,569 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,656 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,220 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,321 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,914 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,569 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,968 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,826 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,644 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,525 |
