| African Countries by First 2 Letters | 0 | - | 4.96 | 266,465 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,218 |
| African East Coast | 0 | - | 4.96 | 95,008 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,600 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,376 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,588 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,993 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,260 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,138 |
| African Great Lakes | 0 | - | 4.82 | 65,104 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,235 |
| Native American Words | 0 | - | 4.26 | 24,705 |
| Japanese Loanwords | 0 | - | 4.47 | 84,336 |
| Africa A-Z | 0 | - | 4.57 | 46,359 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,444 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,787 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,064 |
| Famous People from Africa | 0 | - | 4.45 | 10,855 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,799 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,201 |
| Word Chain - Africa | 0 | - | 4.47 | 31,435 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.67 | 37,790 |
| Australian Capitals | 0 | - | 4.92 | 62,591 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,564 |
| Official European Union Languages | 0 | - | 4.97 | 236,467 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,667 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,037 |
| German Loan Words | 0 | - | 4.27 | 135,448 |
| Elemental Words | 0 | - | 4.96 | 51,973 |
| Mythical Creatures #2 | 0 | - | 4.04 | 111,046 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,345 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,806 |
| African Physical Geography | 0 | - | 4.51 | 31,566 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,045 |
| Geography of South Africa | 0 | - | 4.54 | 17,137 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,054 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,071 |
| American to British Word Translation | 0 | - | 4.06 | 117,042 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,438 |
| Asia Map Quiz | 0 | - | 4.99 | 906,711 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,180 |
| Countries of Africa | 0 | - | 5.00 | 2,506,635 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,778 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,687 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,896 |
| Provinces of South Africa | 0 | - | 4.74 | 21,365 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,764 |
| Australia Map Quiz | 0 | - | 4.94 | 342,395 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,175 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,516 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,045 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,182 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,901 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,226 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,522 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,474 |
| The Only European Country ... | 0 | - | 4.91 | 213,719 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,457 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,548 |
| British Spellings | 0 | - | 4.07 | 99,198 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,423 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,611 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,419 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,562 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,205 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,170 |
| First Name Vocabulary #2 | 0 | - | 3.96 | 36,370 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,156 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 85,967 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,423 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,994 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,577 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,540 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,221 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,480 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,042 |
| African Island Countries | 0 | - | 4.96 | 100,749 |
| Australian States and Territories | 0 | - | 4.95 | 140,642 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,007 |
| Australian Slang | 0 | - | 4.25 | 28,467 |
| Australia True or False | 0 | - | 4.87 | 56,491 |
| Flags of North and South America | 0 | - | 4.99 | 366,801 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,133 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,139 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,112 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,911 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,273 |
| North America Map Quiz | 0 | - | 4.98 | 244,305 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,370 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,733 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,779 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,590 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,482 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,236 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,851 |
| Celtic Nations | 0 | - | 4.69 | 46,807 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,422 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,672 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,256 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,233 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,447 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,827 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,744 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,765 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,218 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,157 |
| Slavic Countries | 0 | - | 4.96 | 110,820 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,034 |
| British to American Word Translation | 0 | - | 3.74 | 253,292 |
| British Foods by Description | 0 | - | 3.94 | 48,227 |
| British and American Word Differences | 0 | - | 2.67 | 45,909 |
| Counties of England | 0 | - | 4.97 | 788,915 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,234 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,323 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,734 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,375 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,202 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,668 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,449 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,647 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,726 |
| Countries of the Middle East | 0 | - | 4.96 | 198,839 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,233 |
| States of India | 0 | - | 4.94 | 189,941 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,235 |
| African Geography A-Z | 0 | - | 4.33 | 21,414 |
| The Only African Country ... | 0 | - | 4.99 | 128,331 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,766 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,038 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,071 |
| Flags of Oceania | 0 | - | 5.00 | 255,011 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,893 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,394 |
| Australia Country Quiz | 0 | - | 4.43 | 69,265 |
| Regions of New Zealand | 0 | - | 4.85 | 28,120 |
| The Only American Country ... | 0 | - | 4.92 | 120,722 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,313 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,342 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,705 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,920 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,873 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,907 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,932 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,286 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,841 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,039 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,469 |
| US States Quiz | 0 | - | 5.00 | 16,693,568 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,340 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,304 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,018 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,323 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,802 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,186 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,126 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,760 |
| Monarchies of Europe | 0 | - | 4.90 | 97,282 |
| European Countries with One Border | 0 | - | 4.97 | 181,576 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,484 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,890 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,897 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,158 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,082 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,648 |
| States of Germany | 0 | - | 4.96 | 149,956 |
| Regions of Italy | 0 | - | 4.92 | 74,668 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,273 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,100 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,057 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,881 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,031 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,400 |
| Champions League Winners | 0 | - | 4.92 | 995,927 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,980 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,994 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,318 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,698 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,371 |
| Monarchies of Asia | 0 | - | 4.97 | 70,582 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,421 |
| Provinces of Turkey | 0 | - | 4.95 | 200,863 |
| Provinces of China | 0 | - | 4.97 | 200,007 |
| Japanese Prefectures | 0 | - | 4.98 | 134,486 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,152 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,089 |
| Military History Vocabulary | 0 | - | 4.91 | 66,624 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 61,738 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,186 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,830 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,643 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,765 |
| Kazakhstan Country Quiz | 0 | - | 4.85 | 30,751 |
| States of India Map Quiz | 0 | - | 4.82 | 26,016 |
| Countries Bordering India | 0 | - | 4.98 | 162,576 |
| Countries Closest to India | 0 | - | 4.97 | 102,194 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,759 |
| Every African Country Shape | 0 | - | 4.90 | 86,047 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,838 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,155 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,342 |
