| African Countries by First 2 Letters | 0 | - | 4.96 | 268,755 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,635 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,401 |
| Official European Union Languages | 0 | - | 4.97 | 239,084 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,237 |
| African East Coast | 0 | - | 4.96 | 96,389 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,837 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,364 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,735 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,627 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,047 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,821 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,200 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,422 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,939 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,439 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,717 |
| Slavic Languages | 0 | - | 4.68 | 54,515 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,930 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,595 |
| African Great Lakes | 0 | - | 4.82 | 66,611 |
| Word Chain - Africa | 0 | - | 4.47 | 31,663 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,164 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,447 |
| African Physical Geography | 0 | - | 4.51 | 31,756 |
| Africa A-Z | 0 | - | 4.57 | 46,709 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,767 |
| Top World Languages | 0 | - | 4.92 | 825,604 |
| Australian Capitals | 0 | - | 4.92 | 62,776 |
| Europe Map Quiz | 0 | - | 5.00 | 4,774,448 |
| Famous People from Africa | 0 | - | 4.45 | 10,972 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,433 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,850 |
| Countries by Official Language | 0 | - | 4.95 | 195,431 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,662 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,616 |
| Countries in their Native Language | 0 | - | 4.99 | 199,208 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,235 |
| Oceania Map Quiz | 0 | - | 4.98 | 655,799 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,510 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,075 |
| Asia Map Quiz | 0 | - | 4.99 | 920,653 |
| Africa Map Quiz | 0 | - | 5.00 | 2,123,069 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,019 |
| Geography of South Africa | 0 | - | 4.54 | 17,281 |
| History of South Africa | 0 | - | 4.60 | 17,728 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,971 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,037 |
| Australia Map Quiz | 0 | - | 4.95 | 345,401 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,010 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,771 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,842 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,308 |
| Celtic Nations | 0 | - | 4.69 | 47,011 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,152 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,934 |
| The Only European Country ... | 0 | - | 4.91 | 217,730 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,797 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,939 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,440 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,298 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,217 |
| Countries of Africa | 0 | - | 5.00 | 2,547,671 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,223 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,780 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,240 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,526 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,812 |
| German-Speaking Countries | 0 | - | 4.91 | 145,819 |
| Italian Name Translation | 0 | - | 4.83 | 47,393 |
| French-Speaking Countries | 0 | - | 4.85 | 271,057 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,470 |
| Provinces of South Africa | 0 | - | 4.74 | 21,820 |
| Australian States and Territories | 0 | - | 4.96 | 142,363 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,388 |
| Australia True or False | 0 | - | 4.87 | 56,995 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,757 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,472 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,215 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,657 |
| North America Map Quiz | 0 | - | 4.98 | 249,805 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,848 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,000 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,445 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,054 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,558 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,679 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,464 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,715 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,697 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,858 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,792 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,699 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,495 |
| Slavic Countries | 0 | - | 4.96 | 111,994 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,520 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,250 |
| Languages of Spain | 0 | - | 4.36 | 23,365 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,479 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,120 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,443 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,358 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,350 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,893 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,954 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,244 |
| Countries of the Middle East | 0 | - | 4.96 | 201,869 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,456 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,303 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,545 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,910 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,610 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,539 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,009 |
| African Island Countries | 0 | - | 4.96 | 101,977 |
| English Speaking Countries | 0 | - | 4.64 | 357,753 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 70,080 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,783 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,831 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,489 |
| Australia Country Quiz | 0 | - | 4.43 | 69,700 |
| Flags of North and South America | 0 | - | 4.99 | 374,842 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,442 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,868 |
| Canada Provinces and Territories | 0 | - | 5.00 | 344,203 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,203 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,250,360 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,738 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,631 |
| Counties of England | 0 | - | 4.97 | 799,798 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,787 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,745 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,131 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,659 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,908 |
| Flags of Oceania | 0 | - | 5.00 | 260,975 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,471 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,069 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,763 |
| Regions of New Zealand | 0 | - | 4.84 | 28,618 |
| The Only American Country ... | 0 | - | 4.92 | 121,889 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,352 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,179 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,308 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,916 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,490 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,654 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,908 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,672 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,508 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,078 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,274 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,216 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,135 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,967 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,862 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,471 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,082 |
| Monarchies of Europe | 0 | - | 4.90 | 98,445 |
| European Countries with One Border | 0 | - | 4.97 | 183,254 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,025 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,481 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,859 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,456 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,279 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,191 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,969 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,323 |
| States of Germany | 0 | - | 4.95 | 153,545 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,360 |
| Regions of Italy | 0 | - | 4.92 | 76,416 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,513 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,646 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,488 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,460 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,237 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,349 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,771 |
| Champions League Winners | 0 | - | 4.92 | 1,010,878 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,772 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,362 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,658 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,694 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,468 |
| Monarchies of Asia | 0 | - | 4.97 | 71,295 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,081 |
| Provinces of Turkey | 0 | - | 4.94 | 204,922 |
| Provinces of China | 0 | - | 4.97 | 206,063 |
| Japanese Prefectures | 0 | - | 4.98 | 138,000 |
| States of India | 0 | - | 4.95 | 194,592 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,951 |
| African Geography A-Z | 0 | - | 4.33 | 21,504 |
| The Only African Country ... | 0 | - | 4.99 | 129,353 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,248 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,146 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,472 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,421 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,626 |
| D.R. Congo Country Quiz | 0 | - | 4.88 | 39,464 |
| Palau Country Quiz | 0 | - | 4.90 | 23,071 |
