| African Countries by First 2 Letters | 0 | - | 4.96 | 267,828 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,607 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,982 |
| Official European Union Languages | 0 | - | 4.97 | 238,081 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,586 |
| African East Coast | 0 | - | 4.96 | 95,786 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,015 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,637 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,024 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,232 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,430 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,517 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,327 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,135 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,267 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,605 |
| African Great Lakes | 0 | - | 4.82 | 66,003 |
| Slavic Languages | 0 | - | 4.68 | 54,261 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,619 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,529 |
| African Physical Geography | 0 | - | 4.51 | 31,653 |
| Africa A-Z | 0 | - | 4.57 | 46,561 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,079 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,829 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,493 |
| Top World Languages | 0 | - | 4.92 | 819,819 |
| Famous People from Africa | 0 | - | 4.45 | 10,936 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,340 |
| Word Chain - Africa | 0 | - | 4.47 | 31,579 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,677 |
| Australian Capitals | 0 | - | 4.92 | 62,694 |
| Europe Map Quiz | 0 | - | 5.00 | 4,754,689 |
| Countries by Official Language | 0 | - | 4.95 | 194,580 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,504 |
| Places in their Native Language #2 | 0 | - | 4.81 | 133,705 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,447 |
| Countries in their Native Language | 0 | - | 4.99 | 198,120 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,489 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,370 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,931 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.73 | 38,845 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,367 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,423 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,359 |
| Asia Map Quiz | 0 | - | 4.99 | 914,223 |
| Geography of South Africa | 0 | - | 4.54 | 17,217 |
| History of South Africa | 0 | - | 4.60 | 17,658 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,856 |
| Countries of Africa | 0 | - | 5.00 | 2,529,222 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,573 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,739 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,593 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,435 |
| Australia Map Quiz | 0 | - | 4.95 | 343,781 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,679 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,567 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,478 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,888 |
| Celtic Nations | 0 | - | 4.69 | 46,905 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,868 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,788 |
| The Only European Country ... | 0 | - | 4.91 | 215,923 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,730 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,744 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,603 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,681 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,933 |
| Spanish to English Country Names | 0 | - | 4.86 | 32,830 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,308 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,565 |
| German-Speaking Countries | 0 | - | 4.91 | 145,259 |
| Italian Name Translation | 0 | - | 4.82 | 46,320 |
| French-Speaking Countries | 0 | - | 4.85 | 270,152 |
| French Food Words | 0 | - | 4.80 | 194,548 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,269 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,861 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,612 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,367 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,973 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,048 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,124 |
| African Island Countries | 0 | - | 4.96 | 101,399 |
| Provinces of South Africa | 0 | - | 4.74 | 21,632 |
| Australian States and Territories | 0 | - | 4.96 | 141,666 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,228 |
| Australia True or False | 0 | - | 4.87 | 56,755 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,504 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,067 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,254 |
| North America Map Quiz | 0 | - | 4.98 | 247,562 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,469 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,780 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,353 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,397 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,945 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,109 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,960 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,230 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,941 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,486 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,751 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,975 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,701 |
| Slavic Countries | 0 | - | 4.96 | 111,469 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,278 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,865 |
| Languages of Spain | 0 | - | 4.36 | 23,281 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,064 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,499 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,949 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,784 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,622 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,243 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,961 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,734 |
| Countries of the Middle East | 0 | - | 4.96 | 200,695 |
| English Speaking Countries | 0 | - | 4.64 | 357,032 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,613 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,545 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,369 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,933 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,030 |
| Australia Country Quiz | 0 | - | 4.43 | 69,506 |
| Flags of North and South America | 0 | - | 4.99 | 371,757 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,075 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,218 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,139 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,046 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,512 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,884 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,382 |
| Counties of England | 0 | - | 4.97 | 794,565 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,073 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,227 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,623 |
| States of India | 0 | - | 4.94 | 192,510 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,623 |
| African Geography A-Z | 0 | - | 4.33 | 21,461 |
| The Only African Country ... | 0 | - | 4.98 | 128,904 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,050 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,627 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,964 |
| Flags of Oceania | 0 | - | 5.00 | 258,063 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,247 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,145 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,441 |
| Regions of New Zealand | 0 | - | 4.85 | 28,456 |
| The Only American Country ... | 0 | - | 4.92 | 121,379 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,909 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,512 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,429 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,685 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,528 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,811 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,346 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,138 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,314 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,719 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,802 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,916 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,648 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,216 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,879 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,874 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,475 |
| Monarchies of Europe | 0 | - | 4.90 | 97,927 |
| European Countries with One Border | 0 | - | 4.97 | 182,481 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,286 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,897 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,857 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,655 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,282 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,707 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,099 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,519 |
| States of Germany | 0 | - | 4.96 | 151,810 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,863 |
| Regions of Italy | 0 | - | 4.92 | 75,518 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,796 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,602 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,979 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,962 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,524 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,998 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,656 |
| Champions League Winners | 0 | - | 4.92 | 1,003,518 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,392 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,747 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,015 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,247 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,986 |
| Monarchies of Asia | 0 | - | 4.97 | 70,962 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,763 |
| Provinces of Turkey | 0 | - | 4.95 | 203,569 |
| Provinces of China | 0 | - | 4.97 | 203,354 |
| Japanese Prefectures | 0 | - | 4.98 | 136,349 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,677 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,690 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,586 |
| States of India Map Quiz | 0 | - | 4.83 | 26,353 |
