| African Countries by First 2 Letters | 0 | - | 4.96 | 267,879 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,680 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,998 |
| Official European Union Languages | 0 | - | 4.97 | 238,127 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,617 |
| African East Coast | 0 | - | 4.96 | 95,830 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,059 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,654 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,040 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,251 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,436 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,531 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,419 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,138 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,279 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,702 |
| African Great Lakes | 0 | - | 4.82 | 66,038 |
| Slavic Languages | 0 | - | 4.68 | 54,271 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,681 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,529 |
| African Physical Geography | 0 | - | 4.51 | 31,656 |
| Africa A-Z | 0 | - | 4.57 | 46,567 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,183 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,850 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,558 |
| Top World Languages | 0 | - | 4.92 | 820,061 |
| Famous People from Africa | 0 | - | 4.45 | 10,936 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,342 |
| Word Chain - Africa | 0 | - | 4.47 | 31,586 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,684 |
| Australian Capitals | 0 | - | 4.92 | 62,694 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,509 |
| Countries by Official Language | 0 | - | 4.95 | 194,612 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,542 |
| Places in their Native Language #2 | 0 | - | 4.79 | 133,817 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,490 |
| Countries in their Native Language | 0 | - | 4.99 | 198,156 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,529 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,658 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,938 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.73 | 40,360 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,591 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,498 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,576 |
| Asia Map Quiz | 0 | - | 4.99 | 914,478 |
| Geography of South Africa | 0 | - | 4.54 | 17,220 |
| History of South Africa | 0 | - | 4.60 | 17,661 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,859 |
| Countries of Africa | 0 | - | 5.00 | 2,530,140 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,609 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,743 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,608 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,454 |
| Australia Map Quiz | 0 | - | 4.95 | 343,838 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,737 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,579 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,541 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,950 |
| Celtic Nations | 0 | - | 4.69 | 46,908 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,881 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,833 |
| The Only European Country ... | 0 | - | 4.91 | 215,990 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,771 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,758 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,635 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,921 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,958 |
| Spanish to English Country Names | 0 | - | 4.86 | 32,857 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,323 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,570 |
| German-Speaking Countries | 0 | - | 4.91 | 145,305 |
| Italian Name Translation | 0 | - | 4.82 | 46,354 |
| French-Speaking Countries | 0 | - | 4.85 | 270,182 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,273 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,869 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,642 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,386 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,999 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,075 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,166 |
| African Island Countries | 0 | - | 4.96 | 101,427 |
| Provinces of South Africa | 0 | - | 4.74 | 21,646 |
| Australian States and Territories | 0 | - | 4.96 | 141,700 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,231 |
| Australia True or False | 0 | - | 4.87 | 56,770 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,510 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,084 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,290 |
| North America Map Quiz | 0 | - | 4.98 | 247,678 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,968 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,788 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,360 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,425 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,971 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,168 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,985 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,247 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,987 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,604 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,801 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,002 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,725 |
| Slavic Countries | 0 | - | 4.96 | 111,491 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,285 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,873 |
| Languages of Spain | 0 | - | 4.36 | 23,283 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,085 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,528 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,972 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,809 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,656 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,275 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,003 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,760 |
| Countries of the Middle East | 0 | - | 4.96 | 200,738 |
| English Speaking Countries | 0 | - | 4.64 | 357,067 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,641 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,561 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,383 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,955 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,270 |
| Australia Country Quiz | 0 | - | 4.43 | 69,521 |
| Flags of North and South America | 0 | - | 4.99 | 371,914 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,324 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,556 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,383 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,165 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,984 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,211 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,390 |
| Counties of England | 0 | - | 4.97 | 794,800 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,221 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,444 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,640 |
| States of India | 0 | - | 4.94 | 192,625 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,637 |
| African Geography A-Z | 0 | - | 4.33 | 21,463 |
| The Only African Country ... | 0 | - | 4.98 | 128,928 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,060 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,647 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,988 |
| Flags of Oceania | 0 | - | 5.00 | 258,164 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,258 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,182 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,452 |
| Regions of New Zealand | 0 | - | 4.85 | 28,460 |
| The Only American Country ... | 0 | - | 4.92 | 121,402 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,931 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,518 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,488 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,710 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,550 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,851 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,359 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,170 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,325 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,740 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,818 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,932 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,667 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,248 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,906 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,904 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,503 |
| Monarchies of Europe | 0 | - | 4.90 | 97,952 |
| European Countries with One Border | 0 | - | 4.97 | 182,513 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,318 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 77,949 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,888 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,707 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,401 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,727 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,154 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,542 |
| States of Germany | 0 | - | 4.96 | 151,915 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,887 |
| Regions of Italy | 0 | - | 4.92 | 75,553 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,874 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,643 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,019 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,023 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,565 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,021 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,660 |
| Champions League Winners | 0 | - | 4.92 | 1,003,758 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,406 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,776 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,049 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,295 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,998 |
| Monarchies of Asia | 0 | - | 4.97 | 70,982 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,777 |
| Provinces of Turkey | 0 | - | 4.95 | 203,657 |
| Provinces of China | 0 | - | 4.97 | 203,473 |
| Japanese Prefectures | 0 | - | 4.98 | 136,435 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,728 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,708 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,611 |
| States of India Map Quiz | 0 | - | 4.83 | 26,376 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,124 |
