| African Countries by First 2 Letters | 0 | - | 4.96 | 268,604 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,459 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,332 |
| Official European Union Languages | 0 | - | 4.97 | 238,937 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,139 |
| African East Coast | 0 | - | 4.96 | 96,287 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,809 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,311 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,654 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,595 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,850 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,769 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,178 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,219 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,606 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,395 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,437 |
| Slavic Languages | 0 | - | 4.68 | 54,469 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,706 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,583 |
| African Great Lakes | 0 | - | 4.82 | 66,520 |
| Word Chain - Africa | 0 | - | 4.47 | 31,653 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,841 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,359 |
| African Physical Geography | 0 | - | 4.51 | 31,744 |
| Africa A-Z | 0 | - | 4.57 | 46,681 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,571 |
| Top World Languages | 0 | - | 4.92 | 824,557 |
| Australian Capitals | 0 | - | 4.92 | 62,754 |
| Europe Map Quiz | 0 | - | 5.00 | 4,771,515 |
| Famous People from Africa | 0 | - | 4.45 | 10,965 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,421 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,821 |
| Countries by Official Language | 0 | - | 4.95 | 195,292 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,329 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,429 |
| Countries in their Native Language | 0 | - | 4.99 | 199,083 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,128 |
| Oceania Map Quiz | 0 | - | 4.98 | 653,213 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,071 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,761 |
| Asia Map Quiz | 0 | - | 4.99 | 919,784 |
| Africa Map Quiz | 0 | - | 5.00 | 2,121,917 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,005 |
| Geography of South Africa | 0 | - | 4.54 | 17,272 |
| History of South Africa | 0 | - | 4.60 | 17,717 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,949 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,941 |
| Australia Map Quiz | 0 | - | 4.95 | 345,183 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,823 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,743 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,589 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,057 |
| Celtic Nations | 0 | - | 4.69 | 46,997 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,114 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,700 |
| The Only European Country ... | 0 | - | 4.91 | 217,414 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,590 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,916 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,308 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,900 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,181 |
| Countries of Africa | 0 | - | 5.00 | 2,545,220 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,111 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,773 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,159 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,489 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,772 |
| German-Speaking Countries | 0 | - | 4.91 | 145,761 |
| Italian Name Translation | 0 | - | 4.83 | 47,251 |
| French-Speaking Countries | 0 | - | 4.85 | 270,899 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,378 |
| Provinces of South Africa | 0 | - | 4.74 | 21,775 |
| Australian States and Territories | 0 | - | 4.96 | 142,244 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,367 |
| Australia True or False | 0 | - | 4.87 | 56,954 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,719 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,406 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,124 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,641 |
| North America Map Quiz | 0 | - | 4.98 | 249,492 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,715 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,965 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,431 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,935 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,443 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,393 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,364 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,541 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,242 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,081 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,653 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,566 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,406 |
| Slavic Countries | 0 | - | 4.96 | 111,885 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,480 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,199 |
| Languages of Spain | 0 | - | 4.36 | 23,352 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,415 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,034 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,376 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,230 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,249 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,801 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,773 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,118 |
| Countries of the Middle East | 0 | - | 4.96 | 201,706 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,417 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,105 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,371 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,800 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,491 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,443 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,856 |
| African Island Countries | 0 | - | 4.96 | 101,880 |
| English Speaking Countries | 0 | - | 4.64 | 357,653 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 70,001 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,743 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,780 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,429 |
| Australia Country Quiz | 0 | - | 4.43 | 69,672 |
| Flags of North and South America | 0 | - | 4.99 | 374,381 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,847 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,908 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,708 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,738 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,248,730 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,789 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,590 |
| Counties of England | 0 | - | 4.97 | 798,958 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,227 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,938 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,259 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,527 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,857 |
| Flags of Oceania | 0 | - | 5.00 | 260,567 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,434 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,723 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,711 |
| Regions of New Zealand | 0 | - | 4.84 | 28,592 |
| The Only American Country ... | 0 | - | 4.92 | 121,822 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,279 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,975 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,208 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,848 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,415 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,617 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,762 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,622 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,417 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,033 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,215 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,936 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,051 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,859 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,724 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,395 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,996 |
| Monarchies of Europe | 0 | - | 4.90 | 98,355 |
| European Countries with One Border | 0 | - | 4.97 | 183,130 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,903 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 86,780 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,763 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,317 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,022 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,103 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,859 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,228 |
| States of Germany | 0 | - | 4.95 | 153,225 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,290 |
| Regions of Italy | 0 | - | 4.92 | 76,247 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,431 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,416 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,419 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,181 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,162 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,166 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,756 |
| Champions League Winners | 0 | - | 4.92 | 1,009,962 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,717 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,270 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,562 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,510 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,394 |
| Monarchies of Asia | 0 | - | 4.97 | 71,227 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,026 |
| Provinces of Turkey | 0 | - | 4.94 | 204,678 |
| Provinces of China | 0 | - | 4.97 | 205,668 |
| Japanese Prefectures | 0 | - | 4.98 | 137,648 |
| States of India | 0 | - | 4.95 | 194,145 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,891 |
| African Geography A-Z | 0 | - | 4.33 | 21,500 |
| The Only African Country ... | 0 | - | 4.99 | 129,278 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,210 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,073 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,410 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,316 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,594 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,436 |
| Palau Country Quiz | 0 | - | 4.90 | 23,058 |
