| African Countries by First 2 Letters | 0 | - | 4.96 | 269,592 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,420 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,823 |
| Official European Union Languages | 0 | - | 4.97 | 240,083 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,773 |
| African East Coast | 0 | - | 4.96 | 96,888 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,025 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,634 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,181 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,789 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,790 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 61,069 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,255 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,464 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,880 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,609 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 60,437 |
| Slavic Languages | 0 | - | 4.67 | 54,759 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,911 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,697 |
| African Great Lakes | 0 | - | 4.82 | 67,086 |
| Word Chain - Africa | 0 | - | 4.47 | 31,728 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 222,977 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,966 |
| African Physical Geography | 0 | - | 4.51 | 31,829 |
| Africa A-Z | 0 | - | 4.57 | 46,792 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,976 |
| Top World Languages | 0 | - | 4.92 | 830,921 |
| Australian Capitals | 0 | - | 4.92 | 62,855 |
| Europe Map Quiz | 0 | - | 5.00 | 4,791,773 |
| Famous People from Africa | 0 | - | 4.45 | 11,015 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,505 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,989 |
| Countries by Official Language | 0 | - | 4.95 | 196,165 |
| Places in their Native Language #1 | 0 | - | 4.85 | 243,559 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,868 |
| Countries in their Native Language | 0 | - | 4.99 | 199,913 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,090 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,038 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,252 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,158 |
| Asia Map Quiz | 0 | - | 4.99 | 926,281 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,214 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,107 |
| Geography of South Africa | 0 | - | 4.54 | 17,354 |
| History of South Africa | 0 | - | 4.60 | 17,777 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,083 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,561 |
| Australia Map Quiz | 0 | - | 4.95 | 346,412 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,231 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,970 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,111 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,475 |
| Celtic Nations | 0 | - | 4.61 | 47,122 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,366 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,410 |
| The Only European Country ... | 0 | - | 4.91 | 219,434 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,757 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,089 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,093 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,814 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,436 |
| Countries of Africa | 0 | - | 5.00 | 2,563,352 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,194 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,827 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,767 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,991 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,967 |
| Top World Languages A-Z | 0 | - | 4.81 | 37,012 |
| German-Speaking Countries | 0 | - | 4.92 | 146,072 |
| Italian Name Translation | 0 | - | 4.83 | 48,108 |
| French-Speaking Countries | 0 | - | 4.85 | 271,828 |
| Provinces of South Africa | 0 | - | 4.74 | 22,028 |
| Australian States and Territories | 0 | - | 4.96 | 142,996 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,531 |
| Australia True or False | 0 | - | 4.86 | 57,196 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,060 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,956 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,812 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,779 |
| North America Map Quiz | 0 | - | 4.98 | 252,566 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,957 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,225 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,724 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,488 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,143 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,873 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,104 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,067 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,319 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,673 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,321 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,878 |
| Slavic Countries | 0 | - | 4.96 | 112,471 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,730 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,502 |
| Languages of Spain | 0 | - | 4.36 | 23,459 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,895 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,675 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,043 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,277 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,960 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,431 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,822 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,740 |
| Countries of the Middle East | 0 | - | 4.96 | 203,175 |
| Officially Recognized Languages of India | 0 | - | 4.40 | 31,623 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,556 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,072 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,022 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,640 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 46,974 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,885 |
| African Island Countries | 0 | - | 4.96 | 102,690 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,526 |
| English Speaking Countries | 0 | - | 4.64 | 358,397 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 70,489 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,982 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,230 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,944 |
| Australia Country Quiz | 0 | - | 4.43 | 69,877 |
| Flags of North and South America | 0 | - | 4.99 | 377,779 |
| South America Map Quiz | 0 | - | 5.00 | 1,557,997 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,787 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,855 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,156 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,260,503 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,787 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,799 |
| Counties of England | 0 | - | 4.97 | 803,867 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,358 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,515 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,725 |
| Places in their Native Language #2 | 0 | - | 4.80 | 135,044 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 128,456 |
| Flags of Oceania | 0 | - | 5.00 | 263,265 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,794 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,627 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,081 |
| Regions of New Zealand | 0 | - | 4.84 | 28,777 |
| The Only American Country ... | 0 | - | 4.92 | 122,309 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,742 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,354 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,903 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,280 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,254 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,938 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,929 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,031 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,141 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,311 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,583 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,073 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,945 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,671 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,769 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,860 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,580 |
| Monarchies of Europe | 0 | - | 4.90 | 98,994 |
| European Countries with One Border | 0 | - | 4.97 | 183,966 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,680 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 89,034 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,510 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,119 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,828 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,546 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,773 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,937 |
| States of Germany | 0 | - | 4.95 | 154,835 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,772 |
| Regions of Italy | 0 | - | 4.92 | 77,213 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,881 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,504 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,858 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,712 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,592 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,222 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,853 |
| Champions League Winners | 0 | - | 4.92 | 1,017,424 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,093 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,015 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,229 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,708 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,858 |
| Monarchies of Asia | 0 | - | 4.97 | 71,581 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,331 |
| Provinces of Turkey | 0 | - | 4.95 | 206,188 |
| Provinces of China | 0 | - | 4.97 | 208,528 |
| Japanese Prefectures | 0 | - | 4.98 | 139,297 |
| States of India | 0 | - | 4.94 | 196,324 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,536 |
| African Geography A-Z | 0 | - | 4.33 | 21,546 |
| The Only African Country ... | 0 | - | 4.99 | 129,760 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,428 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,226 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,555 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,953 |
| Name an Official Language A-Z | 0 | - | 4.91 | 177,106 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,889 |
| D.R. Congo Country Quiz | 0 | - | 4.88 | 39,627 |
