| African Countries by First 2 Letters | 0 | - | 4.96 | 268,741 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,625 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,398 |
| Official European Union Languages | 0 | - | 4.97 | 239,073 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,230 |
| African East Coast | 0 | - | 4.96 | 96,383 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,834 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,360 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,727 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,627 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,041 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,818 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,199 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,410 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,920 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,439 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,704 |
| Slavic Languages | 0 | - | 4.68 | 54,513 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,869 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,593 |
| African Great Lakes | 0 | - | 4.82 | 66,604 |
| Word Chain - Africa | 0 | - | 4.47 | 31,662 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,140 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,441 |
| African Physical Geography | 0 | - | 4.51 | 31,756 |
| Africa A-Z | 0 | - | 4.57 | 46,703 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,746 |
| Top World Languages | 0 | - | 4.92 | 825,527 |
| Australian Capitals | 0 | - | 4.92 | 62,774 |
| Europe Map Quiz | 0 | - | 5.00 | 4,774,235 |
| Famous People from Africa | 0 | - | 4.45 | 10,972 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,432 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,847 |
| Countries by Official Language | 0 | - | 4.95 | 195,416 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,649 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,601 |
| Countries in their Native Language | 0 | - | 4.99 | 199,198 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,225 |
| Oceania Map Quiz | 0 | - | 4.98 | 655,675 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,495 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,042 |
| Asia Map Quiz | 0 | - | 4.99 | 920,549 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,922 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,019 |
| Geography of South Africa | 0 | - | 4.54 | 17,280 |
| History of South Africa | 0 | - | 4.60 | 17,728 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,970 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,032 |
| Australia Map Quiz | 0 | - | 4.95 | 345,383 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,000 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,769 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,818 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,287 |
| Celtic Nations | 0 | - | 4.69 | 47,008 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,148 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,888 |
| The Only European Country ... | 0 | - | 4.91 | 217,705 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,785 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,937 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,427 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,272 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,212 |
| Countries of Africa | 0 | - | 5.00 | 2,547,511 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,191 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,780 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,230 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,522 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,807 |
| German-Speaking Countries | 0 | - | 4.91 | 145,818 |
| Italian Name Translation | 0 | - | 4.83 | 47,378 |
| French-Speaking Countries | 0 | - | 4.85 | 271,048 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,466 |
| Provinces of South Africa | 0 | - | 4.74 | 21,816 |
| Australian States and Territories | 0 | - | 4.96 | 142,350 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,384 |
| Australia True or False | 0 | - | 4.87 | 56,989 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,750 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,462 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,207 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,655 |
| North America Map Quiz | 0 | - | 4.98 | 249,766 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,742 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,997 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,444 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,038 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,546 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,663 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,455 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,707 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,625 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,812 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,784 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,687 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,492 |
| Slavic Countries | 0 | - | 4.96 | 111,988 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,518 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,249 |
| Languages of Spain | 0 | - | 4.36 | 23,364 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,477 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,106 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,431 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,299 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,338 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,883 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,946 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,239 |
| Countries of the Middle East | 0 | - | 4.96 | 201,858 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,453 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,283 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,496 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,865 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,567 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,494 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,995 |
| African Island Countries | 0 | - | 4.96 | 101,961 |
| English Speaking Countries | 0 | - | 4.64 | 357,744 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 70,076 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,780 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,828 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,485 |
| Australia Country Quiz | 0 | - | 4.43 | 69,698 |
| Flags of North and South America | 0 | - | 4.99 | 374,797 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,384 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,799 |
| Canada Provinces and Territories | 0 | - | 5.00 | 344,172 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,188 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,250,236 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,690 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,629 |
| Counties of England | 0 | - | 4.97 | 799,765 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,741 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,672 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,056 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,652 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,902 |
| Flags of Oceania | 0 | - | 5.00 | 260,949 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,467 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,042 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,758 |
| Regions of New Zealand | 0 | - | 4.84 | 28,614 |
| The Only American Country ... | 0 | - | 4.92 | 121,885 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,346 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,161 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,303 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,915 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,484 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,652 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,825 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,665 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,499 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,076 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,269 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,202 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,123 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,961 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,849 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,463 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,074 |
| Monarchies of Europe | 0 | - | 4.90 | 98,440 |
| European Countries with One Border | 0 | - | 4.97 | 183,241 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,016 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,455 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,854 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,444 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,262 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,183 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,963 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,318 |
| States of Germany | 0 | - | 4.95 | 153,521 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,359 |
| Regions of Italy | 0 | - | 4.92 | 76,406 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,511 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,636 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,477 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,442 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,230 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,343 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,771 |
| Champions League Winners | 0 | - | 4.92 | 1,010,813 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,768 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,350 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,651 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,675 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,465 |
| Monarchies of Asia | 0 | - | 4.97 | 71,288 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,073 |
| Provinces of Turkey | 0 | - | 4.94 | 204,911 |
| Provinces of China | 0 | - | 4.97 | 206,024 |
| Japanese Prefectures | 0 | - | 4.98 | 137,978 |
| States of India | 0 | - | 4.95 | 194,547 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,932 |
| African Geography A-Z | 0 | - | 4.33 | 21,503 |
| The Only African Country ... | 0 | - | 4.99 | 129,345 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,244 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,140 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,468 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,411 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,625 |
| D.R. Congo Country Quiz | 0 | - | 4.88 | 39,462 |
| Palau Country Quiz | 0 | - | 4.90 | 23,069 |
