| African Countries by First 2 Letters | 0 | - | 4.96 | 267,766 |
| Top African Languages on a Map | 0 | - | 4.93 | 73,557 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,969 |
| Official European Union Languages | 0 | - | 4.97 | 238,016 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,546 |
| African East Coast | 0 | - | 4.96 | 95,743 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,956 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,622 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,006 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,207 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,412 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,498 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 321,245 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,133 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,253 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,516 |
| African Great Lakes | 0 | - | 4.82 | 65,973 |
| Slavic Languages | 0 | - | 4.68 | 54,240 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,538 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,522 |
| African Physical Geography | 0 | - | 4.51 | 31,646 |
| Africa A-Z | 0 | - | 4.57 | 46,557 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,952 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,807 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,409 |
| Top World Languages | 0 | - | 4.92 | 819,443 |
| Famous People from Africa | 0 | - | 4.45 | 10,933 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,333 |
| Word Chain - Africa | 0 | - | 4.47 | 31,578 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,662 |
| Australian Capitals | 0 | - | 4.92 | 62,688 |
| Europe Map Quiz | 0 | - | 5.00 | 4,753,424 |
| Countries by Official Language | 0 | - | 4.95 | 194,508 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,418 |
| Places in their Native Language #2 | 0 | - | 4.81 | 133,466 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,356 |
| Countries in their Native Language | 0 | - | 4.99 | 198,073 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,193 |
| Africa Map Quiz | 0 | - | 5.00 | 2,113,878 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,924 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.73 | 38,799 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,118 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,292 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,112 |
| Asia Map Quiz | 0 | - | 4.99 | 913,899 |
| Geography of South Africa | 0 | - | 4.54 | 17,214 |
| History of South Africa | 0 | - | 4.60 | 17,655 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,849 |
| Countries of Africa | 0 | - | 5.00 | 2,528,339 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,516 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,737 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,556 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,411 |
| Australia Map Quiz | 0 | - | 4.95 | 343,702 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,600 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,548 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,378 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,800 |
| Celtic Nations | 0 | - | 4.69 | 46,901 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,854 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,702 |
| The Only European Country ... | 0 | - | 4.91 | 215,813 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,652 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,735 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,541 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,515 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,912 |
| Spanish to English Country Names | 0 | - | 4.86 | 32,802 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,298 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,557 |
| German-Speaking Countries | 0 | - | 4.91 | 145,200 |
| Italian Name Translation | 0 | - | 4.81 | 46,282 |
| French-Speaking Countries | 0 | - | 4.85 | 270,101 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,261 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,836 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,557 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,287 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,924 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,008 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,073 |
| African Island Countries | 0 | - | 4.96 | 101,361 |
| Provinces of South Africa | 0 | - | 4.74 | 21,616 |
| Australian States and Territories | 0 | - | 4.96 | 141,599 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,212 |
| Australia True or False | 0 | - | 4.87 | 56,746 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,488 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,976 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,217 |
| North America Map Quiz | 0 | - | 4.98 | 247,412 |
| United States Map Quiz | 0 | - | 4.98 | 4,152,296 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,766 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,351 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,362 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,906 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,994 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,932 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,209 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,851 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,287 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,686 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,929 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,662 |
| Slavic Countries | 0 | - | 4.96 | 111,428 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,275 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,858 |
| Languages of Spain | 0 | - | 4.36 | 23,274 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,037 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,463 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,913 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,762 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,582 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,210 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,911 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,695 |
| Countries of the Middle East | 0 | - | 4.96 | 200,635 |
| English Speaking Countries | 0 | - | 4.64 | 356,986 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,593 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,537 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,329 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,909 |
| Flags of Africa Quiz | 0 | - | 5.00 | 468,720 |
| Australia Country Quiz | 0 | - | 4.43 | 69,499 |
| Flags of North and South America | 0 | - | 4.99 | 371,543 |
| South America Map Quiz | 0 | - | 5.00 | 1,546,778 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,851 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,926 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 638,861 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,238,902 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,603 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,375 |
| Counties of England | 0 | - | 4.97 | 794,277 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,888 |
| Flags of Asia Quiz | 0 | - | 4.99 | 610,947 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,615 |
| States of India | 0 | - | 4.94 | 192,383 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,595 |
| African Geography A-Z | 0 | - | 4.33 | 21,458 |
| The Only African Country ... | 0 | - | 4.99 | 128,878 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,035 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,599 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,944 |
| Flags of Oceania | 0 | - | 5.00 | 257,871 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,230 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,103 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,423 |
| Regions of New Zealand | 0 | - | 4.85 | 28,445 |
| The Only American Country ... | 0 | - | 4.92 | 121,354 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,881 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,499 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,351 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,665 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,507 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,769 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,334 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,094 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,301 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,673 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,784 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,892 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,626 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,181 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,827 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,832 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,449 |
| Monarchies of Europe | 0 | - | 4.90 | 97,887 |
| European Countries with One Border | 0 | - | 4.97 | 182,433 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,246 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,743 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,815 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,619 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,085 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,683 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,061 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,476 |
| States of Germany | 0 | - | 4.96 | 151,724 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,826 |
| Regions of Italy | 0 | - | 4.92 | 75,475 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,684 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,563 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,943 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,876 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,497 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,957 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,654 |
| Champions League Winners | 0 | - | 4.92 | 1,003,196 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,350 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,719 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,986 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,169 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,965 |
| Monarchies of Asia | 0 | - | 4.97 | 70,931 |
| Asian Country Superlatives | 0 | - | 4.85 | 80,746 |
| Provinces of Turkey | 0 | - | 4.95 | 203,483 |
| Provinces of China | 0 | - | 4.97 | 203,175 |
| Japanese Prefectures | 0 | - | 4.98 | 136,241 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,628 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,667 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,554 |
| States of India Map Quiz | 0 | - | 4.83 | 26,331 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,090 |
