| African Countries by First 2 Letters | 0 | - | 4.96 | 266,553 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,482 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,585 |
| Official European Union Languages | 0 | - | 4.97 | 236,654 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,709 |
| African East Coast | 0 | - | 4.96 | 95,060 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,674 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,380 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,625 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,698 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,252 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,164 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,371 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,046 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,007 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,390 |
| African Great Lakes | 0 | - | 4.82 | 65,174 |
| Slavic Languages | 0 | - | 4.67 | 53,988 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,120 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,425 |
| Africa A-Z | 0 | - | 4.57 | 46,373 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,757 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,144 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,137 |
| Top World Languages | 0 | - | 4.92 | 813,227 |
| Famous People from Africa | 0 | - | 4.45 | 10,858 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,207 |
| Word Chain - Africa | 0 | - | 4.47 | 31,442 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,458 |
| Australian Capitals | 0 | - | 4.92 | 62,594 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,767 |
| Countries by Official Language | 0 | - | 4.95 | 192,779 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,482 |
| Places in their Native Language #2 | 0 | - | 4.85 | 122,981 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,146 |
| Countries in their Native Language | 0 | - | 4.99 | 196,644 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,809 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,495 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,809 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.67 | 37,889 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,388 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,241 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,554 |
| Asia Map Quiz | 0 | - | 4.99 | 907,135 |
| African Physical Geography | 0 | - | 4.51 | 31,571 |
| Geography of South Africa | 0 | - | 4.54 | 17,145 |
| History of South Africa | 0 | - | 4.60 | 17,602 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,708 |
| Countries of Africa | 0 | - | 5.00 | 2,508,226 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,824 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,692 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,941 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,809 |
| Australia Map Quiz | 0 | - | 4.94 | 342,515 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,169 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,214 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,026 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,330 |
| Celtic Nations | 0 | - | 4.69 | 46,813 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,545 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,588 |
| The Only European Country ... | 0 | - | 4.91 | 213,885 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,564 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,570 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,483 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,982 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,561 |
| Spanish to English Country Names | 0 | - | 4.85 | 32,037 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,694 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,299 |
| German-Speaking Countries | 0 | - | 4.89 | 123,507 |
| Italian Name Translation | 0 | - | 4.81 | 45,062 |
| French-Speaking Countries | 0 | - | 4.85 | 268,814 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,074 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,437 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,640 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,587 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,288 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,510 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,132 |
| African Island Countries | 0 | - | 4.96 | 100,800 |
| Provinces of South Africa | 0 | - | 4.74 | 21,388 |
| Australian States and Territories | 0 | - | 4.96 | 140,921 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,022 |
| Australia True or False | 0 | - | 4.87 | 56,512 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,159 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,174 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,248 |
| North America Map Quiz | 0 | - | 4.98 | 244,510 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,043 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,500 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,242 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,723 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,298 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,371 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,480 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,860 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,871 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,956 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,476 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,277 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,213 |
| Slavic Countries | 0 | - | 4.96 | 110,872 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,050 |
| Languages of Spain | 0 | - | 4.36 | 23,152 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,357 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,777 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,430 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,265 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,728 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,502 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,784 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,168 |
| Countries of the Middle East | 0 | - | 4.96 | 198,945 |
| English Speaking Countries | 0 | - | 4.64 | 356,034 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,109 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,257 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,808 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,217 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,475 |
| Australia Country Quiz | 0 | - | 4.43 | 69,285 |
| Flags of North and South America | 0 | - | 4.99 | 367,343 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,312 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,835 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,971 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,020 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,931 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,912 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,152 |
| Counties of England | 0 | - | 4.97 | 789,312 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,991 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,669 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,281 |
| States of India | 0 | - | 4.94 | 190,132 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,258 |
| African Geography A-Z | 0 | - | 4.33 | 21,418 |
| The Only African Country ... | 0 | - | 4.99 | 128,374 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,783 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,080 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,118 |
| Flags of Oceania | 0 | - | 5.00 | 255,250 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,924 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,439 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,060 |
| Regions of New Zealand | 0 | - | 4.85 | 28,142 |
| The Only American Country ... | 0 | - | 4.92 | 120,768 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,353 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,354 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,834 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,987 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,905 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,001 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,963 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,347 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,881 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,082 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,502 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,375 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,340 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,049 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,410 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,881 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,230 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,831 |
| Monarchies of Europe | 0 | - | 4.90 | 97,336 |
| European Countries with One Border | 0 | - | 4.97 | 181,644 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,541 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,279 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,967 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,024 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,217 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,158 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,700 |
| States of Germany | 0 | - | 4.96 | 150,098 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,026 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,528 |
| Regions of Italy | 0 | - | 4.92 | 74,736 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,824 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,366 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,202 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,199 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,947 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,108 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,438 |
| Champions League Winners | 0 | - | 4.92 | 996,489 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,004 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,062 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,370 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,804 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,422 |
| Monarchies of Asia | 0 | - | 4.97 | 70,611 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,434 |
| Provinces of Turkey | 0 | - | 4.95 | 201,074 |
| Provinces of China | 0 | - | 4.97 | 200,171 |
| Japanese Prefectures | 0 | - | 4.98 | 134,623 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,786 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,221 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,910 |
| States of India Map Quiz | 0 | - | 4.82 | 26,041 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,780 |
