| African Countries by First 2 Letters | 0 | - | 4.96 | 268,430 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,239 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,239 |
| Official European Union Languages | 0 | - | 4.97 | 238,720 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,992 |
| African East Coast | 0 | - | 4.96 | 96,159 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,627 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,772 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,245 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,555 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,561 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,705 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,553 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,167 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,367 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,038 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,063 |
| African Great Lakes | 0 | - | 4.82 | 66,338 |
| Word Chain - Africa | 0 | - | 4.47 | 31,635 |
| Slavic Languages | 0 | - | 4.68 | 54,416 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,418 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,569 |
| African Physical Geography | 0 | - | 4.51 | 31,723 |
| Africa A-Z | 0 | - | 4.57 | 46,643 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,451 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,214 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,323 |
| Top World Languages | 0 | - | 4.92 | 823,369 |
| Famous People from Africa | 0 | - | 4.45 | 10,957 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,398 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,784 |
| Australian Capitals | 0 | - | 4.92 | 62,735 |
| Europe Map Quiz | 0 | - | 5.00 | 4,767,198 |
| Countries by Official Language | 0 | - | 4.95 | 195,116 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,138 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,188 |
| Countries in their Native Language | 0 | - | 4.99 | 198,900 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,964 |
| Africa Map Quiz | 0 | - | 5.00 | 2,119,973 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,984 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,214 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,598 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,037 |
| Asia Map Quiz | 0 | - | 4.99 | 918,061 |
| Geography of South Africa | 0 | - | 4.54 | 17,262 |
| History of South Africa | 0 | - | 4.60 | 17,707 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,926 |
| Countries of Africa | 0 | - | 5.00 | 2,541,206 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,982 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,766 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,038 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,813 |
| Australia Map Quiz | 0 | - | 4.95 | 344,880 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,554 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,707 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,307 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,772 |
| Celtic Nations | 0 | - | 4.69 | 46,967 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,042 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,470 |
| The Only European Country ... | 0 | - | 4.91 | 217,042 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,376 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,868 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,114 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,996 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,154 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,250 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,439 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,733 |
| German-Speaking Countries | 0 | - | 4.91 | 145,665 |
| Italian Name Translation | 0 | - | 4.83 | 47,059 |
| French-Speaking Countries | 0 | - | 4.85 | 270,723 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,386 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,031 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,178 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,692 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,358 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,356 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,687 |
| African Island Countries | 0 | - | 4.96 | 101,751 |
| Provinces of South Africa | 0 | - | 4.74 | 21,745 |
| Australian States and Territories | 0 | - | 4.96 | 142,132 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,328 |
| Australia True or False | 0 | - | 4.87 | 56,918 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,675 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,315 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,960 |
| North America Map Quiz | 0 | - | 4.98 | 248,948 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,550 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,924 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,409 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,792 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,321 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,047 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,264 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,454 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,925 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,421 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,441 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,436 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,307 |
| Slavic Countries | 0 | - | 4.96 | 111,780 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,397 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,123 |
| Languages of Spain | 0 | - | 4.36 | 23,339 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,319 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,861 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,268 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,104 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,048 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,626 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,579 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,032 |
| Countries of the Middle East | 0 | - | 4.96 | 201,384 |
| English Speaking Countries | 0 | - | 4.64 | 357,483 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,915 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,702 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,673 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,311 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,299 |
| Australia Country Quiz | 0 | - | 4.43 | 69,640 |
| Flags of North and South America | 0 | - | 4.99 | 373,769 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,820 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,614 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,168 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,065 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,411 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,835 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,533 |
| Counties of England | 0 | - | 4.97 | 797,935 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 357,158 |
| Flags of Asia Quiz | 0 | - | 4.99 | 614,750 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,418 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,797 |
| States of India | 0 | - | 4.95 | 193,786 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,835 |
| African Geography A-Z | 0 | - | 4.33 | 21,488 |
| The Only African Country ... | 0 | - | 4.99 | 129,210 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,165 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,956 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,297 |
| Flags of Oceania | 0 | - | 5.00 | 259,951 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,384 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,566 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,639 |
| Regions of New Zealand | 0 | - | 4.84 | 28,554 |
| The Only American Country ... | 0 | - | 4.92 | 121,723 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,208 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,616 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,658 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,081 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,760 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,301 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,545 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,611 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,553 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,235 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,997 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,149 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,972 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,703 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,527 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,247 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,891 |
| Monarchies of Europe | 0 | - | 4.90 | 98,244 |
| European Countries with One Border | 0 | - | 4.97 | 182,960 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,745 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,754 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,579 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,142 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,662 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,985 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,637 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,980 |
| States of Germany | 0 | - | 4.95 | 152,894 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,169 |
| Regions of Italy | 0 | - | 4.92 | 76,088 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,302 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,185 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,301 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,878 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,069 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,890 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,725 |
| Champions League Winners | 0 | - | 4.91 | 1,008,390 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,578 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,127 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,419 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,116 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,312 |
| Monarchies of Asia | 0 | - | 4.97 | 71,151 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,957 |
| Provinces of Turkey | 0 | - | 4.95 | 204,437 |
| Provinces of China | 0 | - | 4.97 | 205,053 |
| Japanese Prefectures | 0 | - | 4.98 | 137,294 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,165 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,929 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,983 |
| States of India Map Quiz | 0 | - | 4.83 | 26,569 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,299 |
