| African Countries by First 2 Letters | 0 | - | 4.96 | 266,316 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,234 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,511 |
| Official European Union Languages | 0 | - | 4.97 | 236,329 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,592 |
| African East Coast | 0 | - | 4.96 | 94,904 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,433 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,332 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,528 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 70,568 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,214 |
| 10 African Countries with the Most Tourists | 0 | - | 4.38 | 60,090 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,180 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,032 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,967 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 525,979 |
| African Great Lakes | 0 | - | 4.82 | 65,017 |
| Slavic Languages | 0 | - | 4.67 | 53,924 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,906 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,408 |
| Africa A-Z | 0 | - | 4.57 | 46,342 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,261 |
| Top European Languages on a Map | 0 | - | 4.77 | 130,976 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,813 |
| Top World Languages | 0 | - | 4.92 | 811,895 |
| Famous People from Africa | 0 | - | 4.45 | 10,851 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,185 |
| Word Chain - Africa | 0 | - | 4.47 | 31,429 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,417 |
| Australian Capitals | 0 | - | 4.92 | 62,584 |
| Europe Map Quiz | 0 | - | 5.00 | 4,726,958 |
| Countries by Official Language | 0 | - | 4.95 | 192,578 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,260 |
| Places in their Native Language #2 | 0 | - | 4.85 | 122,891 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,851 |
| Countries in their Native Language | 0 | - | 4.99 | 196,457 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,641 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,581 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,784 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.67 | 37,628 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,371 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,804 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,436,931 |
| Asia Map Quiz | 0 | - | 4.99 | 905,633 |
| 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 | 2,504,046 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,700 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,684 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,778 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,715 |
| Australia Map Quiz | 0 | - | 4.94 | 342,207 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,811 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,150 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,704 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,048 |
| Celtic Nations | 0 | - | 4.69 | 46,796 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,479 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,322 |
| The Only European Country ... | 0 | - | 4.91 | 213,457 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,303 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,523 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,280 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,497 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,504 |
| 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 | 36,240 |
| German-Speaking Countries | 0 | - | 4.89 | 123,465 |
| French-Speaking Countries | 0 | - | 4.85 | 268,603 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,044 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,172 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,460 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,453 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,144 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,413 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,898 |
| African Island Countries | 0 | - | 4.96 | 100,643 |
| Provinces of South Africa | 0 | - | 4.74 | 21,322 |
| Australian States and Territories | 0 | - | 4.95 | 140,545 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,987 |
| Australia True or False | 0 | - | 4.87 | 56,459 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,102 |
| 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 | 243,958 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,473 |
| 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 | 150,184 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,015 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,397 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,768 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,538 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,492 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,156 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,129 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,056 |
| Slavic Countries | 0 | - | 4.96 | 110,766 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,005 |
| 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 | 152,667 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,315 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,126 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,577 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,349 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,587 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,005 |
| Countries of the Middle East | 0 | - | 4.96 | 198,683 |
| English Speaking Countries | 0 | - | 4.68 | 355,873 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,009 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,194 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,684 |
| U.S. Cities With Spanish Names | 0 | - | 4.93 | 21,931 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,135 |
| Australia Country Quiz | 0 | - | 4.43 | 69,232 |
| Flags of North and South America | 0 | - | 4.99 | 365,359 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,198 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,310 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,222 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,277 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,223,860 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,498 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,091 |
| Counties of England | 0 | - | 4.97 | 788,223 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,050 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,402 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,212 |
| States of India | 0 | - | 4.94 | 189,657 |
| 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 | 128,254 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,732 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,938 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,001 |
| Flags of Oceania | 0 | - | 5.00 | 254,566 |
| 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 | 61,010 |
| Regions of New Zealand | 0 | - | 4.85 | 28,097 |
| The Only American Country ... | 0 | - | 4.92 | 120,647 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,246 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,326 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,467 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,849 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,814 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,778 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,827 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,142 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,739 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 72,965 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,423 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,282 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,261 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,953 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,196 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,620 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,102 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,628 |
| Monarchies of Europe | 0 | - | 4.90 | 97,197 |
| European Countries with One Border | 0 | - | 4.97 | 181,443 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,960 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,108 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,749 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,556 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,095 |
| Regions of France Map Quiz | 0 | - | 4.97 | 142,982 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,546 |
| States of Germany | 0 | - | 4.96 | 149,742 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,897 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,480 |
| Regions of Italy | 0 | - | 4.92 | 74,586 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,723 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,127 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,050 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,857 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,828 |
| Counties of England Map Quiz | 0 | - | 4.97 | 305,919 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,392 |
| Champions League Winners | 0 | - | 4.92 | 994,934 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,924 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,902 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,237 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,523 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,274 |
| Monarchies of Asia | 0 | - | 4.97 | 70,531 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,376 |
| Provinces of Turkey | 0 | - | 4.95 | 199,892 |
| Provinces of China | 0 | - | 4.97 | 199,666 |
| Japanese Prefectures | 0 | - | 4.98 | 134,253 |
| Name an Official Language A-Z | 0 | - | 4.90 | 174,562 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,115 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,697 |
| States of India Map Quiz | 0 | - | 4.82 | 25,983 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,701 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,283 |
