| Uruguay Country Quiz | 0 | - | 4.84 | 31,520 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,809 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,896 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,331 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,699 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,241 |
| Australian Capitals | 0 | - | 4.92 | 62,696 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,470 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,003 |
| Official European Union Languages | 0 | - | 4.97 | 238,147 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,628 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,878 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,852 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,666 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,547 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,681 |
| Asia Map Quiz | 0 | - | 4.99 | 914,607 |
| Explore the South Seas | 0 | - | 4.86 | 15,165 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,886 |
| Countries of Africa | 0 | - | 5.00 | 2,530,389 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,622 |
| African East Coast | 0 | - | 4.96 | 95,838 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,625 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,473 |
| Australia Map Quiz | 0 | - | 4.95 | 343,862 |
| New World Crops | 0 | - | 4.37 | 30,839 |
| North American Physical Geography | 0 | - | 4.35 | 30,402 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,435 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,765 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,582 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,563 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,990 |
| Celtic Nations | 0 | - | 4.69 | 46,909 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,885 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,851 |
| The Only European Country ... | 0 | - | 4.91 | 216,020 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,790 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,763 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,659 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,274 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,872 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,665 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,394 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,014 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,088 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,188 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,708 |
| African Island Countries | 0 | - | 4.96 | 101,437 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,076 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,132 |
| Australian States and Territories | 0 | - | 4.96 | 141,709 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,234 |
| Australia True or False | 0 | - | 4.87 | 56,776 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,512 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,092 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,309 |
| North America Map Quiz | 0 | - | 4.98 | 247,742 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,657 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,116 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,045 |
| Toronto, Montreal, or Vancouver? | 0 | - | 4.80 | 23,250 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,792 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,094 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,361 |
| Sahel Countries on a Map | 0 | - | 4.99 | 21,208 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,439 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,987 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,194 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,993 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,256 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,000 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,696 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,813 |
| Official and Regional Languages of Europe on a Map | 0 | - | 4.99 | 111,489 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,012 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,736 |
| Slavic Countries | 0 | - | 4.96 | 111,499 |
| All Slavic Languages With a Map | 0 | - | 4.98 | 69,315 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,289 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,877 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,094 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,537 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,979 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,821 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,668 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,285 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,266 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,016 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,763 |
| Official and Regional Languages of Asia on a Map | 0 | - | 5.00 | 68,195 |
| Countries of the Middle East | 0 | - | 4.96 | 200,755 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,441 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,356 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,534 |
| Australia Country Quiz | 0 | - | 4.43 | 69,525 |
| Flags of North and South America | 0 | - | 4.99 | 371,968 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,389 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,688 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,665 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,420 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,219 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,180 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,389 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,404 |
| Counties of England | 0 | - | 4.97 | 794,904 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,399 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,512 |
| States of India | 0 | - | 4.94 | 192,647 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,287 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,651 |
| The Only African Country ... | 0 | - | 4.98 | 128,944 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,062 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,662 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,553 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,004 |
| Flags of Oceania | 0 | - | 5.00 | 258,204 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,259 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,198 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,464 |
| Regions of New Zealand | 0 | - | 4.85 | 28,463 |
| The Only American Country ... | 0 | - | 4.92 | 121,409 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,946 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,536 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,718 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,553 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,876 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,360 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,179 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,335 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,344 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,742 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,823 |
| U.S. History Timeline Quiz | 0 | - | 4.97 | 56,583 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,939 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,673 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,265 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,930 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,913 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,516 |
| Monarchies of Europe | 0 | - | 4.90 | 97,969 |
| European Countries with One Border | 0 | - | 4.97 | 182,528 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,328 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 77,985 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,900 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,136 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,304 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,712 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,622 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,717 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,428 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,737 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,171 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,559 |
| States of Germany | 0 | - | 4.96 | 151,960 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,900 |
| Regions of Italy | 0 | - | 4.92 | 75,570 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,909 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,659 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,025 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,040 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,662 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,049 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,661 |
| Champions League Winners | 0 | - | 4.92 | 1,003,976 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,414 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,788 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,062 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,322 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,006 |
| Monarchies of Asia | 0 | - | 4.97 | 70,987 |
| Category Elimination - Asian Geography #3 | 0 | - | 4.91 | 66,559 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,779 |
| Provinces of Turkey | 0 | - | 4.95 | 203,688 |
| World Currencies Quiz on a Map | 0 | - | 4.95 | 60,793 |
| Provinces of China | 0 | - | 4.97 | 203,502 |
| Japanese Prefectures | 0 | - | 4.98 | 136,465 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,715 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,626 |
| States of India Map Quiz | 0 | - | 4.83 | 26,410 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,128 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,658 |
| African Great Lakes | 0 | - | 4.82 | 66,051 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,462 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,365 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,104 |
| Name a Valid African Country | 0 | - | 4.98 | 153,781 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,725 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,016 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,393 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,288 |
| Palau Country Quiz | 0 | - | 4.90 | 22,970 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,508 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,959 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,784 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,417 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,495 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,201 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,941 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,345 |
| States of Mexico | 0 | - | 4.95 | 175,520 |
