| African Countries by First 2 Letters | 0 | - | 4.96 | 266,312 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,226 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,509 |
| Official European Union Languages | 0 | - | 4.97 | 236,325 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,591 |
| African East Coast | 0 | - | 4.96 | 94,902 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,432 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,331 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,528 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 70,567 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,213 |
| 10 African Countries with the Most Tourists | 0 | - | 4.38 | 60,090 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,176 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,032 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,965 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 525,971 |
| African Great Lakes | 0 | - | 4.82 | 65,013 |
| Slavic Languages | 0 | - | 4.67 | 53,923 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,885 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,406 |
| Africa A-Z | 0 | - | 4.57 | 46,341 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,252 |
| Top European Languages on a Map | 0 | - | 4.77 | 130,974 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,807 |
| Top World Languages | 0 | - | 4.92 | 811,882 |
| Famous People from Africa | 0 | - | 4.45 | 10,851 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,184 |
| Word Chain - Africa | 0 | - | 4.47 | 31,428 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,417 |
| Australian Capitals | 0 | - | 4.92 | 62,583 |
| Europe Map Quiz | 0 | - | 5.00 | 4,726,903 |
| Countries by Official Language | 0 | - | 4.95 | 192,577 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,256 |
| Places in their Native Language #2 | 0 | - | 4.85 | 122,889 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,846 |
| Countries in their Native Language | 0 | - | 4.99 | 196,454 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,638 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,551 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,784 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.67 | 37,624 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,362 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,795 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,436,925 |
| Asia Map Quiz | 0 | - | 4.99 | 905,607 |
| African Physical Geography | 0 | - | 4.51 | 31,555 |
| Geography of South Africa | 0 | - | 4.53 | 17,128 |
| History of South Africa | 0 | - | 4.60 | 17,590 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,679 |
| Countries of Africa | 0 | - | 5.00 | 2,503,993 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,696 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,684 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,767 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,715 |
| Australia Map Quiz | 0 | - | 4.94 | 342,204 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,810 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,150 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,698 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,041 |
| Celtic Nations | 0 | - | 4.69 | 46,794 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,479 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,317 |
| The Only European Country ... | 0 | - | 4.91 | 213,451 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,300 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,523 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,276 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,433 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,503 |
| Spanish to English Country Names | 0 | - | 4.85 | 31,888 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,631 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,239 |
| German-Speaking Countries | 0 | - | 4.89 | 123,464 |
| French-Speaking Countries | 0 | - | 4.85 | 268,597 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,044 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,160 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,455 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,452 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,139 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,412 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,891 |
| African Island Countries | 0 | - | 4.96 | 100,640 |
| Provinces of South Africa | 0 | - | 4.74 | 21,322 |
| Australian States and Territories | 0 | - | 4.95 | 140,541 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,987 |
| Australia True or False | 0 | - | 4.87 | 56,457 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,100 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,064 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,932 |
| North America Map Quiz | 0 | - | 4.98 | 243,953 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,438 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,452 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,224 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,571 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,180 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,010 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,394 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,767 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,535 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,484 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,153 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,127 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,055 |
| Slavic Countries | 0 | - | 4.96 | 110,765 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,001 |
| Languages of Spain | 0 | - | 4.36 | 23,127 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,256 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,665 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,312 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,124 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,573 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,345 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,582 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,004 |
| Countries of the Middle East | 0 | - | 4.96 | 198,681 |
| English Speaking Countries | 0 | - | 4.68 | 355,872 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,007 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,193 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,679 |
| U.S. Cities With Spanish Names | 0 | - | 4.93 | 21,929 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,118 |
| Australia Country Quiz | 0 | - | 4.43 | 69,230 |
| Flags of North and South America | 0 | - | 4.99 | 365,318 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,179 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,265 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,209 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,256 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,223,829 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,487 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,088 |
| Counties of England | 0 | - | 4.97 | 788,212 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,034 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,386 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,212 |
| States of India | 0 | - | 4.94 | 189,652 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,192 |
| African Geography A-Z | 0 | - | 4.33 | 21,409 |
| The Only African Country ... | 0 | - | 4.99 | 128,253 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,728 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,937 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,000 |
| Flags of Oceania | 0 | - | 5.00 | 254,553 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,874 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,299 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,007 |
| Regions of New Zealand | 0 | - | 4.85 | 28,097 |
| The Only American Country ... | 0 | - | 4.92 | 120,644 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,242 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,325 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,464 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,848 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,812 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,776 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,825 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,137 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,732 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 72,965 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,421 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,282 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,257 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,953 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,193 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,616 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,101 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,624 |
| Monarchies of Europe | 0 | - | 4.90 | 97,194 |
| European Countries with One Border | 0 | - | 4.97 | 181,440 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,958 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,104 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,746 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,548 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,092 |
| Regions of France Map Quiz | 0 | - | 4.97 | 142,977 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,545 |
| States of Germany | 0 | - | 4.96 | 149,740 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,896 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,480 |
| Regions of Italy | 0 | - | 4.92 | 74,585 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,723 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,122 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,047 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,851 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,827 |
| Counties of England Map Quiz | 0 | - | 4.97 | 305,918 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,392 |
| Champions League Winners | 0 | - | 4.92 | 994,912 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,923 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,897 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,234 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,516 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,273 |
| Monarchies of Asia | 0 | - | 4.97 | 70,529 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,375 |
| Provinces of Turkey | 0 | - | 4.95 | 199,883 |
| Provinces of China | 0 | - | 4.97 | 199,649 |
| Japanese Prefectures | 0 | - | 4.98 | 134,239 |
| Name an Official Language A-Z | 0 | - | 4.90 | 174,560 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,114 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,694 |
| States of India Map Quiz | 0 | - | 4.82 | 25,982 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,701 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,283 |
