| African Countries by First 2 Letters | 0 | - | 4.96 | 267,539 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,342 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,892 |
| Official European Union Languages | 0 | - | 4.97 | 237,802 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,412 |
| African East Coast | 0 | - | 4.96 | 95,614 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,754 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,583 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,931 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,104 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,379 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,431 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,935 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,122 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,222 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,065 |
| African Great Lakes | 0 | - | 4.82 | 65,789 |
| Slavic Languages | 0 | - | 4.68 | 54,196 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,341 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,503 |
| African Physical Geography | 0 | - | 4.51 | 31,632 |
| Africa A-Z | 0 | - | 4.57 | 46,518 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,500 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,673 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,106 |
| Top World Languages | 0 | - | 4.92 | 818,231 |
| Famous People from Africa | 0 | - | 4.45 | 10,928 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,318 |
| Word Chain - Africa | 0 | - | 4.47 | 31,558 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,618 |
| Australian Capitals | 0 | - | 4.92 | 62,671 |
| Europe Map Quiz | 0 | - | 5.00 | 4,748,792 |
| Countries by Official Language | 0 | - | 4.95 | 194,244 |
| Places in their Native Language #1 | 0 | - | 4.84 | 240,882 |
| Places in their Native Language #2 | 0 | - | 4.83 | 130,245 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,067 |
| Countries in their Native Language | 0 | - | 4.99 | 197,843 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,004 |
| Africa Map Quiz | 0 | - | 5.00 | 2,111,852 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,912 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.70 | 38,634 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,137 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,811 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,689 |
| Asia Map Quiz | 0 | - | 4.99 | 911,882 |
| Geography of South Africa | 0 | - | 4.54 | 17,203 |
| History of South Africa | 0 | - | 4.60 | 17,645 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,826 |
| Countries of Africa | 0 | - | 5.00 | 2,523,985 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,367 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,730 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,442 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,271 |
| Australia Map Quiz | 0 | - | 4.94 | 343,443 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,305 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,504 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,134 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,450 |
| Celtic Nations | 0 | - | 4.69 | 46,880 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,787 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,467 |
| The Only European Country ... | 0 | - | 4.91 | 215,421 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,472 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,691 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,315 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,704 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,820 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,254 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,515 |
| German-Speaking Countries | 0 | - | 4.91 | 144,606 |
| Italian Name Translation | 0 | - | 4.81 | 46,083 |
| French-Speaking Countries | 0 | - | 4.85 | 269,914 |
| Spanish to English Country Names | 0 | - | 4.86 | 32,663 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,233 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,736 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,358 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,981 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,785 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,903 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,860 |
| African Island Countries | 0 | - | 4.96 | 101,243 |
| Provinces of South Africa | 0 | - | 4.74 | 21,567 |
| Australian States and Territories | 0 | - | 4.96 | 141,457 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,171 |
| Australia True or False | 0 | - | 4.87 | 56,703 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,439 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,591 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,007 |
| North America Map Quiz | 0 | - | 4.98 | 246,931 |
| United States Map Quiz | 0 | - | 4.98 | 4,149,746 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,718 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,331 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,238 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,776 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,655 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,838 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,150 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,533 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,795 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,483 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,826 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,584 |
| Slavic Countries | 0 | - | 4.96 | 111,328 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,217 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,802 |
| Languages of Spain | 0 | - | 4.36 | 23,250 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,912 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,311 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,799 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,647 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,418 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,069 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,705 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,607 |
| Countries of the Middle East | 0 | - | 4.96 | 200,044 |
| English Speaking Countries | 0 | - | 4.64 | 356,825 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,482 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,492 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,233 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,795 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,553 |
| Australia Country Quiz | 0 | - | 4.43 | 69,463 |
| Flags of North and South America | 0 | - | 4.99 | 370,766 |
| South America Map Quiz | 0 | - | 5.00 | 1,545,523 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,295 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,277 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 638,267 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,236,368 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,256 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,326 |
| Counties of England | 0 | - | 4.97 | 793,235 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,034 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,765 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,547 |
| States of India | 0 | - | 4.94 | 191,968 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,524 |
| African Geography A-Z | 0 | - | 4.33 | 21,451 |
| The Only African Country ... | 0 | - | 4.99 | 128,770 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,960 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,482 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,793 |
| Flags of Oceania | 0 | - | 5.00 | 257,351 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,182 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,979 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,350 |
| Regions of New Zealand | 0 | - | 4.85 | 28,422 |
| The Only American Country ... | 0 | - | 4.92 | 121,238 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,790 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,475 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,076 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,505 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,368 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,594 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,258 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,941 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,225 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,544 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,728 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,792 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,658 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,509 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,045 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,635 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,671 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,319 |
| Monarchies of Europe | 0 | - | 4.90 | 97,769 |
| European Countries with One Border | 0 | - | 4.97 | 182,239 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,097 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,741 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,641 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,451 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,623 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,585 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,929 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,309 |
| States of Germany | 0 | - | 4.96 | 151,324 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,676 |
| Regions of Italy | 0 | - | 4.92 | 75,309 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 50,856 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,327 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,796 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,573 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,405 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,766 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,631 |
| Champions League Winners | 0 | - | 4.92 | 1,001,650 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,200 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,591 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,875 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,854 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,858 |
| Monarchies of Asia | 0 | - | 4.97 | 70,876 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,689 |
| Provinces of Turkey | 0 | - | 4.95 | 203,174 |
| Provinces of China | 0 | - | 4.97 | 202,612 |
| Japanese Prefectures | 0 | - | 4.98 | 135,925 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,452 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,580 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,417 |
| States of India Map Quiz | 0 | - | 4.83 | 26,270 |
