| African Countries by First 2 Letters | 0 | - | 4.96 | 267,542 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,348 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,894 |
| Official European Union Languages | 0 | - | 4.97 | 237,809 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,414 |
| African East Coast | 0 | - | 4.96 | 95,620 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,757 |
| 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 | 71,111 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,380 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,431 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,937 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,124 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,223 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,069 |
| African Great Lakes | 0 | - | 4.82 | 65,792 |
| Slavic Languages | 0 | - | 4.68 | 54,197 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,346 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,504 |
| 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 | 218,516 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,676 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,118 |
| Top World Languages | 0 | - | 4.92 | 818,270 |
| Famous People from Africa | 0 | - | 4.45 | 10,929 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,319 |
| Word Chain - Africa | 0 | - | 4.47 | 31,559 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,618 |
| Australian Capitals | 0 | - | 4.92 | 62,672 |
| Europe Map Quiz | 0 | - | 5.00 | 4,748,884 |
| Countries by Official Language | 0 | - | 4.95 | 194,252 |
| Places in their Native Language #1 | 0 | - | 4.85 | 240,921 |
| Places in their Native Language #2 | 0 | - | 4.82 | 130,509 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,074 |
| Countries in their Native Language | 0 | - | 4.99 | 197,850 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,015 |
| Africa Map Quiz | 0 | - | 5.00 | 2,111,879 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,912 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.70 | 38,635 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,155 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,820 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,718 |
| Asia Map Quiz | 0 | - | 4.99 | 911,904 |
| Geography of South Africa | 0 | - | 4.54 | 17,203 |
| History of South Africa | 0 | - | 4.60 | 17,646 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,827 |
| Countries of Africa | 0 | - | 5.00 | 2,524,098 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,372 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,730 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,447 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,275 |
| Australia Map Quiz | 0 | - | 4.94 | 343,449 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,311 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,506 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,141 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,460 |
| Celtic Nations | 0 | - | 4.69 | 46,881 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,789 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,474 |
| The Only European Country ... | 0 | - | 4.91 | 215,428 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,475 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,693 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,320 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,726 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,822 |
| 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 | 144,627 |
| Italian Name Translation | 0 | - | 4.81 | 46,085 |
| French-Speaking Countries | 0 | - | 4.85 | 269,924 |
| Spanish to English Country Names | 0 | - | 4.86 | 32,665 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,234 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,738 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,362 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,989 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,786 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,903 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,864 |
| African Island Countries | 0 | - | 4.96 | 101,247 |
| Provinces of South Africa | 0 | - | 4.74 | 21,573 |
| Australian States and Territories | 0 | - | 4.96 | 141,468 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,173 |
| Australia True or False | 0 | - | 4.87 | 56,705 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,442 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,592 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,010 |
| North America Map Quiz | 0 | - | 4.98 | 246,948 |
| United States Map Quiz | 0 | - | 4.98 | 4,149,793 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,719 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,332 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,243 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,781 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,672 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,839 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,150 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,537 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,798 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,484 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,829 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,587 |
| Slavic Countries | 0 | - | 4.96 | 111,332 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,217 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,804 |
| Languages of Spain | 0 | - | 4.36 | 23,252 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,915 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,315 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,802 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,652 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,423 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,073 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,709 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,611 |
| Countries of the Middle East | 0 | - | 4.96 | 200,069 |
| English Speaking Countries | 0 | - | 4.64 | 356,829 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,485 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,493 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,235 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,798 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,583 |
| Australia Country Quiz | 0 | - | 4.43 | 69,465 |
| Flags of North and South America | 0 | - | 4.99 | 370,785 |
| South America Map Quiz | 0 | - | 5.00 | 1,545,569 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,332 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,306 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 638,286 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,236,435 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,282 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,326 |
| Counties of England | 0 | - | 4.97 | 793,245 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,045 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,808 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,550 |
| States of India | 0 | - | 4.94 | 191,984 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,527 |
| 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 | 67,961 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,488 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,795 |
| Flags of Oceania | 0 | - | 5.00 | 257,379 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,182 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,982 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,353 |
| Regions of New Zealand | 0 | - | 4.85 | 28,422 |
| The Only American Country ... | 0 | - | 4.92 | 121,243 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,792 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,475 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,082 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,505 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,372 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,605 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,261 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,944 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,228 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,547 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,731 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,796 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,660 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,512 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,050 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,639 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,673 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,323 |
| Monarchies of Europe | 0 | - | 4.90 | 97,770 |
| European Countries with One Border | 0 | - | 4.97 | 182,241 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,098 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,744 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,645 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,451 |
| Federal Subjects of Russia | 0 | - | 4.95 | 145,660 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,589 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,930 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,312 |
| States of Germany | 0 | - | 4.96 | 151,324 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,679 |
| Regions of Italy | 0 | - | 4.92 | 75,309 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 50,886 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,340 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,799 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,578 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,406 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,769 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,631 |
| Champions League Winners | 0 | - | 4.92 | 1,001,683 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,200 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,596 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,877 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,870 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,862 |
| Monarchies of Asia | 0 | - | 4.97 | 70,877 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,691 |
| Provinces of Turkey | 0 | - | 4.95 | 203,194 |
| Provinces of China | 0 | - | 4.97 | 202,637 |
| Japanese Prefectures | 0 | - | 4.98 | 135,939 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,455 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,581 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,421 |
| States of India Map Quiz | 0 | - | 4.83 | 26,270 |
